Migrate FSTDocumentVersionDictionary to C++ DocumentVersionMap (#1231)

1 files changed, 0 insertions, 37 deletions

diff --git a/Firestore/Source/Model/FSTDocumentVersionDictionary.mm b/Firestore/Source/Model/FSTDocumentVersionDictionary.mm
deleted file mode 100644
index 870e082..0000000
--- a/Firestore/Source/Model/FSTDocumentVersionDictionary.mm
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright 2017 Google
- *
- * 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.
- */
-
-#import "Firestore/Source/Model/FSTDocumentVersionDictionary.h"
-
-#import "Firestore/Source/Core/FSTSnapshotVersion.h"
-#import "Firestore/Source/Model/FSTDocumentKey.h"
-
-NS_ASSUME_NONNULL_BEGIN
-
-@implementation FSTImmutableSortedDictionary (FSTDocumentVersionDictionary)
-
-+ (instancetype)documentVersionDictionary {
-  static FSTDocumentVersionDictionary *singleton;
-  static dispatch_once_t onceToken;
-  dispatch_once(&onceToken, ^{
-    singleton = [FSTDocumentVersionDictionary dictionaryWithComparator:FSTDocumentKeyComparator];
-  });
-  return singleton;
-}
-
-@end
-
-NS_ASSUME_NONNULL_END