Removed unused imports from RCTUIManager

Reviewed By: mmmulani

Differential Revision: D5916606

fbshipit-source-id: f7a301928f68bc2aa15a8e50c4b25f2779d27567

React/Modules/RCTUIManager.m

@@ -11,10 +11,7 @@
 
 #import <AVFoundation/AVFoundation.h>
 
-#import <yoga/Yoga.h>
-
 #import "RCTAccessibilityManager.h"
-#import "RCTAnimationType.h"
 #import "RCTAssert.h"
 #import "RCTBridge+Private.h"
 #import "RCTBridge.h"