Clean up optimized_hit_testing_ios

Summary:
Changelog: [internal]

Clean up the experiment

Reviewed By: JoshuaGross

Differential Revision: D27996499

fbshipit-source-id: 3c9598846b3800eef86d039580e6a12e7273e798

React/Base/RCTConstants.h

@@ -17,12 +17,6 @@ RCT_EXTERN NSString *const RCTUserInterfaceStyleDidChangeNotificationTraitCollec
 RCT_EXTERN BOOL RCTExperimentGetOnDemandViewMounting(void);
 RCT_EXTERN void RCTExperimentSetOnDemandViewMounting(BOOL value);
 
-/*
- * It's an experimental feature that improves performance of hit-testing.
- */
-RCT_EXTERN BOOL RCTExperimentGetOptimizedHitTesting(void);
-RCT_EXTERN void RCTExperimentSetOptimizedHitTesting(BOOL value);
-
 /*
  * Preemptive View Allocation
  */

React/Base/RCTConstants.m

@@ -25,21 +25,6 @@ void RCTExperimentSetOnDemandViewMounting(BOOL value)
   RCTExperimentOnDemandViewMounting = value;
 }
 
-/*
- * Optimized hit-testing
- */
-static BOOL RCTExperimentOptimizedHitTesting = NO;
-
-BOOL RCTExperimentGetOptimizedHitTesting()
-{
-  return RCTExperimentOptimizedHitTesting;
-}
-
-void RCTExperimentSetOptimizedHitTesting(BOOL value)
-{
-  RCTExperimentOptimizedHitTesting = value;
-}
-
 /*
  * Preemptive View Allocation
  */

React/Fabric/Mounting/ComponentViews/View/RCTViewComponentView.mm

@@ -350,9 +350,7 @@ using namespace facebook::react;
 
   BOOL clipsToBounds = self.clipsToBounds;
 
-  if (RCTExperimentGetOptimizedHitTesting()) {
-    clipsToBounds = clipsToBounds || _layoutMetrics.overflowInset == EdgeInsets{};
-  }
+  clipsToBounds = clipsToBounds || _layoutMetrics.overflowInset == EdgeInsets{};
 
   if (clipsToBounds && !isPointInside) {
     return nil;

React/Fabric/RCTSurfacePresenter.mm

@@ -257,10 +257,6 @@ static BackgroundExecutor RCTGetBackgroundExecutor()
     RCTExperimentSetOnDemandViewMounting(YES);
   }
 
-  if (reactNativeConfig && reactNativeConfig->getBool("react_fabric:optimized_hit_testing_ios")) {
-    RCTExperimentSetOptimizedHitTesting(YES);
-  }
-
   if (reactNativeConfig && reactNativeConfig->getBool("react_fabric:preemptive_view_allocation_disabled_ios")) {
     RCTExperimentSetPreemptiveViewAllocationDisabled(YES);
   }