Remove SourceCode.getScriptText

Summary:
After cleaning up JS SourceMap code, these native methods are not needed anymore.

On iOS it saves another 30+ Mb during development.

Reviewed By: javache, astreet

Differential Revision: D3348975

fbshipit-source-id: a68ae9b00b4dbaa374b421029ae676fc69ae5a75

React/Base/RCTBatchedBridge.m

@@ -455,7 +455,6 @@ RCT_EXTERN NSArray<Class> *RCTGetModuleClasses(void);
 
   RCTSourceCode *sourceCodeModule = [self moduleForClass:[RCTSourceCode class]];
   sourceCodeModule.scriptURL = self.bundleURL;
-  sourceCodeModule.scriptData = sourceCode;
 
   [self enqueueApplicationScript:sourceCode url:self.bundleURL onComplete:^(NSError *loadError) {
     if (!_valid) {

React/Modules/RCTSourceCode.h

@@ -13,7 +13,6 @@
 
 @interface RCTSourceCode : NSObject <RCTBridgeModule>
 
-@property (nonatomic, copy) NSData *scriptData;
 @property (nonatomic, copy) NSURL *scriptURL;
 
 @end

React/Modules/RCTSourceCode.m

@@ -20,23 +20,6 @@ RCT_EXPORT_MODULE()
 
 @synthesize bridge = _bridge;
 
-#if !RCT_DEV
-- (void)setScriptText:(NSString *)scriptText {}
-#endif
-
-NSString *const RCTErrorUnavailable = @"E_SOURCE_CODE_UNAVAILABLE";
-
-RCT_EXPORT_METHOD(getScriptText:(RCTPromiseResolveBlock)resolve
-                  reject:(RCTPromiseRejectBlock)reject)
-{
-  if (RCT_DEV && self.scriptData && self.scriptURL) {
-    NSString *scriptText = [[NSString alloc] initWithData:self.scriptData encoding:NSUTF8StringEncoding];
-    resolve(@{@"text": RCTNullIfNil(scriptText), @"url": self.scriptURL.absoluteString});
-  } else {
-    reject(RCTErrorUnavailable, nil, RCTErrorWithMessage(@"Source code is not available"));
-  }
-}
-
 - (NSDictionary<NSString *, id> *)constantsToExport
 {
   NSString *URL = self.bridge.bundleURL.absoluteString ?: @"";