[React Native] Replace RCTCache with NSURLCache

React/Base/RCTCache.h

@@ -1,29 +0,0 @@
-/**
- * Copyright (c) 2015-present, Facebook, Inc.
- * All rights reserved.
- *
- * This source code is licensed under the BSD-style license found in the
- * LICENSE file in the root directory of this source tree. An additional grant
- * of patent rights can be found in the PATENTS file in the same directory.
- */
-
-#import <Foundation/Foundation.h>
-
-@interface RCTCache : NSObject
-
-- (instancetype)init; // name = @"default"
-- (instancetype)initWithName:(NSString *)name;
-
-@property (nonatomic, assign) NSUInteger maximumDiskSize; // in bytes
-
-#pragma mark - Retrieval
-
-- (BOOL)hasDataForKey:(NSString *)key;
-- (void)fetchDataForKey:(NSString *)key completionHandler:(void (^)(NSData *data))completionHandler;
-
-#pragma mark - Insertion
-
-- (void)setData:(NSData *)data forKey:(NSString *)key;
-- (void)removeAllData;
-
-@end