refactor(AsyncStorage): move iOS files from react-native-github

Summary:
## Changelog:
[iOS][Removed] - Removed AsyncStorage module

Reviewed By: lunaleaps

Differential Revision: D40283712

fbshipit-source-id: 5e74c71915c2fbba4363e3fc917555039069038e

Author: hoxyq

React/CoreModules/BUCK

@@ -78,9 +78,6 @@ rn_apple_library(
         ) + react_module_plugin_providers(
             name = "AlertManager",
             native_class_func = "RCTAlertManagerCls",
-        ) + react_module_plugin_providers(
-            name = "AsyncLocalStorage",
-            native_class_func = "RCTAsyncLocalStorageCls",
         ) + react_module_plugin_providers(
             name = "Timing",
             native_class_func = "RCTTimingCls",

React/CoreModules/CoreModulesPlugins.h

@@ -39,7 +39,6 @@ Class RCTI18nManagerCls(void) __attribute__((used));
 Class RCTSourceCodeCls(void) __attribute__((used));
 Class RCTActionSheetManagerCls(void) __attribute__((used));
 Class RCTAlertManagerCls(void) __attribute__((used));
-Class RCTAsyncLocalStorageCls(void) __attribute__((used));
 Class RCTTimingCls(void) __attribute__((used));
 Class RCTStatusBarManagerCls(void) __attribute__((used));
 Class RCTKeyboardObserverCls(void) __attribute__((used));

React/CoreModules/CoreModulesPlugins.mm

@@ -29,7 +29,6 @@ Class RCTCoreModulesClassProvider(const char *name) {
     {"SourceCode", RCTSourceCodeCls},
     {"ActionSheetManager", RCTActionSheetManagerCls},
     {"AlertManager", RCTAlertManagerCls},
-    {"AsyncLocalStorage", RCTAsyncLocalStorageCls},
     {"Timing", RCTTimingCls},
     {"StatusBarManager", RCTStatusBarManagerCls},
     {"KeyboardObserver", RCTKeyboardObserverCls},