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diff --git a/contexts/data/lib/closure-library/closure/goog/math/coordinate3.js b/contexts/data/lib/closure-library/closure/goog/math/coordinate3.js
deleted file mode 100644
index 45df81b..0000000
--- a/contexts/data/lib/closure-library/closure/goog/math/coordinate3.js
+++ /dev/null
@@ -1,169 +0,0 @@
-// Copyright 2008 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 three-dimensional points.
- *
- * Based heavily on coordinate.js by:
- */
-
-goog.provide('goog.math.Coordinate3');
-
-
-
-/**
- * Class for representing coordinates and positions in 3 dimensions.
- *
- * @param {number=} opt_x X coordinate, defaults to 0.
- * @param {number=} opt_y Y coordinate, defaults to 0.
- * @param {number=} opt_z Z coordinate, defaults to 0.
- * @constructor
- */
-goog.math.Coordinate3 = function(opt_x, opt_y, opt_z) {
-  /**
-   * X-value
-   * @type {number}
-   */
-  this.x = goog.isDef(opt_x) ? opt_x : 0;
-
-  /**
-   * Y-value
-   * @type {number}
-   */
-  this.y = goog.isDef(opt_y) ? opt_y : 0;
-
-  /**
-   * Z-value
-   * @type {number}
-   */
-  this.z = goog.isDef(opt_z) ? opt_z : 0;
-};
-
-
-/**
- * Returns a new copy of the coordinate.
- *
- * @return {!goog.math.Coordinate3} A clone of this coordinate.
- */
-goog.math.Coordinate3.prototype.clone = function() {
-  return new goog.math.Coordinate3(this.x, this.y, this.z);
-};
-
-
-if (goog.DEBUG) {
-  /**
-   * Returns a nice string representing the coordinate.
-   *
-   * @return {string} In the form (50, 73, 31).
-   * @override
-   */
-  goog.math.Coordinate3.prototype.toString = function() {
-    return '(' + this.x + ', ' + this.y + ', ' + this.z + ')';
-  };
-}
-
-
-/**
- * Compares coordinates for equality.
- *
- * @param {goog.math.Coordinate3} a A Coordinate3.
- * @param {goog.math.Coordinate3} b A Coordinate3.
- * @return {boolean} True iff the coordinates are equal, or if both are null.
- */
-goog.math.Coordinate3.equals = function(a, b) {
-  if (a == b) {
-    return true;
-  }
-  if (!a || !b) {
-    return false;
-  }
-  return a.x == b.x && a.y == b.y && a.z == b.z;
-};
-
-
-/**
- * Returns the distance between two coordinates.
- *
- * @param {goog.math.Coordinate3} a A Coordinate3.
- * @param {goog.math.Coordinate3} b A Coordinate3.
- * @return {number} The distance between {@code a} and {@code b}.
- */
-goog.math.Coordinate3.distance = function(a, b) {
-  var dx = a.x - b.x;
-  var dy = a.y - b.y;
-  var dz = a.z - b.z;
-  return Math.sqrt(dx * dx + dy * dy + dz * dz);
-};
-
-
-/**
- * Returns the squared distance between two coordinates. Squared distances can
- * be used for comparisons when the actual value is not required.
- *
- * Performance note: eliminating the square root is an optimization often used
- * in lower-level languages, but the speed difference is not nearly as
- * pronounced in JavaScript (only a few percent.)
- *
- * @param {goog.math.Coordinate3} a A Coordinate3.
- * @param {goog.math.Coordinate3} b A Coordinate3.
- * @return {number} The squared distance between {@code a} and {@code b}.
- */
-goog.math.Coordinate3.squaredDistance = function(a, b) {
-  var dx = a.x - b.x;
-  var dy = a.y - b.y;
-  var dz = a.z - b.z;
-  return dx * dx + dy * dy + dz * dz;
-};
-
-
-/**
- * Returns the difference between two coordinates as a new
- * goog.math.Coordinate3.
- *
- * @param {goog.math.Coordinate3} a A Coordinate3.
- * @param {goog.math.Coordinate3} b A Coordinate3.
- * @return {!goog.math.Coordinate3} A Coordinate3 representing the difference
- *     between {@code a} and {@code b}.
- */
-goog.math.Coordinate3.difference = function(a, b) {
-  return new goog.math.Coordinate3(a.x - b.x, a.y - b.y, a.z - b.z);
-};
-
-
-/**
- * Returns the contents of this coordinate as a 3 value Array.
- *
- * @return {!Array.<number>} A new array.
- */
-goog.math.Coordinate3.prototype.toArray = function() {
-  return [this.x, this.y, this.z];
-};
-
-
-/**
- * Converts a three element array into a Coordinate3 object.  If the value
- * passed in is not an array, not array-like, or not of the right length, an
- * error is thrown.
- *
- * @param {Array.<number>} a Array of numbers to become a coordinate.
- * @return {!goog.math.Coordinate3} A new coordinate from the array values.
- * @throws {Error} When the oject passed in is not valid.
- */
-goog.math.Coordinate3.fromArray = function(a) {
-  if (a.length <= 3) {
-    return new goog.math.Coordinate3(a[0], a[1], a[2]);
-  }
-
-  throw Error('Conversion from an array requires an array of length 3');
-};