chore: remove old imports

Author: Minishlink

ios/CodePush/CodePush.m

@@ -1,19 +1,10 @@
-#if __has_include(<React/RCTAssert.h>)
 #import <React/RCTAssert.h>
 #import <React/RCTBridgeModule.h>
 #import <React/RCTConvert.h>
 #import <React/RCTEventDispatcher.h>
 #import <React/RCTRootView.h>
 #import <React/RCTUtils.h>
 #import <React/RCTReloadCommand.h>
-#else // back compatibility for RN version < 0.40
-#import "RCTAssert.h"
-#import "RCTBridgeModule.h"
-#import "RCTConvert.h"
-#import "RCTEventDispatcher.h"
-#import "RCTRootView.h"
-#import "RCTUtils.h"
-#endif
 
 #import "CodePush.h"