Remove __has_include calls for UIUserActivity.h

Summary: This removes the `__has_include` calls.

Reviewed By: cpojer

Differential Revision: D15079552

fbshipit-source-id: f05c723e1c59313a0149adfcbac87d6af43932d4

Author: Weichun Yuan

Libraries/LinkingIOS/RCTLinkingManager.h

@@ -6,7 +6,9 @@
  */
 
 #import <UIKit/UIKit.h>
-
+#if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && (__IPHONE_OS_VERSION_MAX_ALLOWED >= 12000) /* __IPHONE_12_0 */
+#import <UIKit/UIUserActivity.h>
+#endif
 #import <React/RCTEventEmitter.h>
 
 @interface RCTLinkingManager : RCTEventEmitter
@@ -23,7 +25,7 @@
 + (BOOL)application:(nonnull UIApplication *)application
     continueUserActivity:(nonnull NSUserActivity *)userActivity
       restorationHandler:
-        #if __has_include(<UIKitCore/UIUserActivity.h>) && defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && (__IPHONE_OS_VERSION_MAX_ALLOWED >= 12000) /* __IPHONE_12_0 */
+        #if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && (__IPHONE_OS_VERSION_MAX_ALLOWED >= 12000) /* __IPHONE_12_0 */
             (nonnull void (^)(NSArray<id<UIUserActivityRestoring>> *_Nullable))restorationHandler;
         #else
             (nonnull void (^)(NSArray *_Nullable))restorationHandler;

Libraries/LinkingIOS/RCTLinkingManager.m

@@ -69,7 +69,7 @@ + (BOOL)application:(UIApplication *)application
 + (BOOL)application:(UIApplication *)application
 continueUserActivity:(NSUserActivity *)userActivity
   restorationHandler:
-    #if __has_include(<UIKitCore/UIUserActivity.h>) && defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && (__IPHONE_OS_VERSION_MAX_ALLOWED >= 12000) /* __IPHONE_12_0 */
+    #if defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && (__IPHONE_OS_VERSION_MAX_ALLOWED >= 12000) /* __IPHONE_12_0 */
         (nonnull void (^)(NSArray<id<UIUserActivityRestoring>> *_Nullable))restorationHandler {
     #else
         (nonnull void (^)(NSArray *_Nullable))restorationHandler {