`-[UIView _DEBUG_reactShadowView]` was removed

Summary:
Nobody uses it.
If the reference to the bridge is available (which is should be case for testing purposes at least), it is easy to get same information.

Reviewed By: mmmulani

Differential Revision: D6596376

fbshipit-source-id: 066eeb1e9465b4e0cc9d9b5b6bf41722450870e4

React/Modules/RCTUIManager.m

@@ -976,10 +976,6 @@ RCT_EXPORT_METHOD(createView:(nonnull NSNumber *)reactTag
     if (view) {
       [componentData setProps:props forView:view];
       uiManager->_viewRegistry[reactTag] = view;
-
-#if RCT_DEV
-      [view _DEBUG_setReactShadowView:shadowView];
-#endif
     }
   });
 

React/Views/UIView+React.h

@@ -109,14 +109,4 @@
  */
 @property (nonatomic, readonly) UIView *reactAccessibilityElement;
 
-#if RCT_DEV
-
-/**
- Tools for debugging
- */
-
-@property (nonatomic, strong, setter=_DEBUG_setReactShadowView:) RCTShadowView *_DEBUG_reactShadowView;
-
-#endif
-
 @end

React/Views/UIView+React.m

@@ -37,21 +37,6 @@
   objc_setAssociatedObject(self, @selector(nativeID), nativeID, OBJC_ASSOCIATION_RETAIN_NONATOMIC);
 }
 
-#if RCT_DEV
-
-- (RCTShadowView *)_DEBUG_reactShadowView
-{
-  return objc_getAssociatedObject(self, _cmd);
-}
-
-- (void)_DEBUG_setReactShadowView:(RCTShadowView *)shadowView
-{
-  // Use assign to avoid keeping the shadowView alive it if no longer exists
-  objc_setAssociatedObject(self, @selector(_DEBUG_reactShadowView), shadowView, OBJC_ASSOCIATION_ASSIGN);
-}
-
-#endif
-
 - (BOOL)isReactRootView
 {
   return RCTIsReactRootView(self.reactTag);