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diff --git a/contexts/data/lib/closure-library/closure/goog/math/box.js b/contexts/data/lib/closure-library/closure/goog/math/box.js
deleted file mode 100644
index bc90f4f..0000000
--- a/contexts/data/lib/closure-library/closure/goog/math/box.js
+++ /dev/null
@@ -1,278 +0,0 @@
-// Copyright 2006 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS-IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-/**
- * @fileoverview A utility class for representing a numeric box.
- */
-
-
-goog.provide('goog.math.Box');
-
-goog.require('goog.math.Coordinate');
-
-
-
-/**
- * Class for representing a box. A box is specified as a top, right, bottom,
- * and left. A box is useful for representing margins and padding.
- *
- * @param {number} top Top.
- * @param {number} right Right.
- * @param {number} bottom Bottom.
- * @param {number} left Left.
- * @constructor
- */
-goog.math.Box = function(top, right, bottom, left) {
-  /**
-   * Top
-   * @type {number}
-   */
-  this.top = top;
-
-  /**
-   * Right
-   * @type {number}
-   */
-  this.right = right;
-
-  /**
-   * Bottom
-   * @type {number}
-   */
-  this.bottom = bottom;
-
-  /**
-   * Left
-   * @type {number}
-   */
-  this.left = left;
-};
-
-
-/**
- * Creates a Box by bounding a collection of goog.math.Coordinate objects
- * @param {...goog.math.Coordinate} var_args Coordinates to be included inside
- *     the box.
- * @return {!goog.math.Box} A Box containing all the specified Coordinates.
- */
-goog.math.Box.boundingBox = function(var_args) {
-  var box = new goog.math.Box(arguments[0].y, arguments[0].x,
-                              arguments[0].y, arguments[0].x);
-  for (var i = 1; i < arguments.length; i++) {
-    var coord = arguments[i];
-    box.top = Math.min(box.top, coord.y);
-    box.right = Math.max(box.right, coord.x);
-    box.bottom = Math.max(box.bottom, coord.y);
-    box.left = Math.min(box.left, coord.x);
-  }
-  return box;
-};
-
-
-/**
- * Creates a copy of the box with the same dimensions.
- * @return {!goog.math.Box} A clone of this Box.
- */
-goog.math.Box.prototype.clone = function() {
-  return new goog.math.Box(this.top, this.right, this.bottom, this.left);
-};
-
-
-if (goog.DEBUG) {
-  /**
-   * Returns a nice string representing the box.
-   * @return {string} In the form (50t, 73r, 24b, 13l).
-   * @override
-   */
-  goog.math.Box.prototype.toString = function() {
-    return '(' + this.top + 't, ' + this.right + 'r, ' + this.bottom + 'b, ' +
-           this.left + 'l)';
-  };
-}
-
-
-/**
- * Returns whether the box contains a coordinate or another box.
- *
- * @param {goog.math.Coordinate|goog.math.Box} other A Coordinate or a Box.
- * @return {boolean} Whether the box contains the coordinate or other box.
- */
-goog.math.Box.prototype.contains = function(other) {
-  return goog.math.Box.contains(this, other);
-};
-
-
-/**
- * Expands box with the given margins.
- *
- * @param {number|goog.math.Box} top Top margin or box with all margins.
- * @param {number=} opt_right Right margin.
- * @param {number=} opt_bottom Bottom margin.
- * @param {number=} opt_left Left margin.
- * @return {!goog.math.Box} A reference to this Box.
- */
-goog.math.Box.prototype.expand = function(top, opt_right, opt_bottom,
-    opt_left) {
-  if (goog.isObject(top)) {
-    this.top -= top.top;
-    this.right += top.right;
-    this.bottom += top.bottom;
-    this.left -= top.left;
-  } else {
-    this.top -= top;
-    this.right += opt_right;
-    this.bottom += opt_bottom;
-    this.left -= opt_left;
-  }
-
-  return this;
-};
-
-
-/**
- * Expand this box to include another box.
- * NOTE(user): This is used in code that needs to be very fast, please don't
- * add functionality to this function at the expense of speed (variable
- * arguments, accepting multiple argument types, etc).
- * @param {goog.math.Box} box The box to include in this one.
- */
-goog.math.Box.prototype.expandToInclude = function(box) {
-  this.left = Math.min(this.left, box.left);
-  this.top = Math.min(this.top, box.top);
-  this.right = Math.max(this.right, box.right);
-  this.bottom = Math.max(this.bottom, box.bottom);
-};
-
-
-/**
- * Compares boxes for equality.
- * @param {goog.math.Box} a A Box.
- * @param {goog.math.Box} b A Box.
- * @return {boolean} True iff the boxes are equal, or if both are null.
- */
-goog.math.Box.equals = function(a, b) {
-  if (a == b) {
-    return true;
-  }
-  if (!a || !b) {
-    return false;
-  }
-  return a.top == b.top && a.right == b.right &&
-         a.bottom == b.bottom && a.left == b.left;
-};
-
-
-/**
- * Returns whether a box contains a coordinate or another box.
- *
- * @param {goog.math.Box} box A Box.
- * @param {goog.math.Coordinate|goog.math.Box} other A Coordinate or a Box.
- * @return {boolean} Whether the box contains the coordinate or other box.
- */
-goog.math.Box.contains = function(box, other) {
-  if (!box || !other) {
-    return false;
-  }
-
-  if (other instanceof goog.math.Box) {
-    return other.left >= box.left && other.right <= box.right &&
-        other.top >= box.top && other.bottom <= box.bottom;
-  }
-
-  // other is a Coordinate.
-  return other.x >= box.left && other.x <= box.right &&
-         other.y >= box.top && other.y <= box.bottom;
-};
-
-
-/**
- * Returns the relative x position of a coordinate compared to a box.  Returns
- * zero if the coordinate is inside the box.
- *
- * @param {goog.math.Box} box A Box.
- * @param {goog.math.Coordinate} coord A Coordinate.
- * @return {number} The x position of {@code coord} relative to the nearest
- *     side of {@code box}, or zero if {@code coord} is inside {@code box}.
- */
-goog.math.Box.relativePositionX = function(box, coord) {
-  if (coord.x < box.left) {
-    return coord.x - box.left;
-  } else if (coord.x > box.right) {
-    return coord.x - box.right;
-  }
-  return 0;
-};
-
-
-/**
- * Returns the relative y position of a coordinate compared to a box.  Returns
- * zero if the coordinate is inside the box.
- *
- * @param {goog.math.Box} box A Box.
- * @param {goog.math.Coordinate} coord A Coordinate.
- * @return {number} The y position of {@code coord} relative to the nearest
- *     side of {@code box}, or zero if {@code coord} is inside {@code box}.
- */
-goog.math.Box.relativePositionY = function(box, coord) {
-  if (coord.y < box.top) {
-    return coord.y - box.top;
-  } else if (coord.y > box.bottom) {
-    return coord.y - box.bottom;
-  }
-  return 0;
-};
-
-
-/**
- * Returns the distance between a coordinate and the nearest corner/side of a
- * box. Returns zero if the coordinate is inside the box.
- *
- * @param {goog.math.Box} box A Box.
- * @param {goog.math.Coordinate} coord A Coordinate.
- * @return {number} The distance between {@code coord} and the nearest
- *     corner/side of {@code box}, or zero if {@code coord} is inside
- *     {@code box}.
- */
-goog.math.Box.distance = function(box, coord) {
-  var x = goog.math.Box.relativePositionX(box, coord);
-  var y = goog.math.Box.relativePositionY(box, coord);
-  return Math.sqrt(x * x + y * y);
-};
-
-
-/**
- * Returns whether two boxes intersect.
- *
- * @param {goog.math.Box} a A Box.
- * @param {goog.math.Box} b A second Box.
- * @return {boolean} Whether the boxes intersect.
- */
-goog.math.Box.intersects = function(a, b) {
-  return (a.left <= b.right && b.left <= a.right &&
-          a.top <= b.bottom && b.top <= a.bottom);
-};
-
-
-/**
- * Returns whether two boxes would intersect with additional padding.
- *
- * @param {goog.math.Box} a A Box.
- * @param {goog.math.Box} b A second Box.
- * @param {number} padding The additional padding.
- * @return {boolean} Whether the boxes intersect.
- */
-goog.math.Box.intersectsWithPadding = function(a, b, padding) {
-  return (a.left <= b.right + padding && b.left <= a.right + padding &&
-          a.top <= b.bottom + padding && b.top <= a.bottom + padding);
-};