UIKit watchOS xcode15.4 b1

#UIKit.framework https://github.com/xamarin/xamarin-macios/pull/20846

diff -ruN /Applications/Xcode_15.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS.sdk/System/Library/Frameworks/UIKit.framework/Headers/NSItemProvider+UIKitAdditions.h /Applications/Xcode_15.4.0-beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS.sdk/System/Library/Frameworks/UIKit.framework/Headers/NSItemProvider+UIKitAdditions.h
--- /Applications/Xcode_15.3.0.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS.sdk/System/Library/Frameworks/UIKit.framework/Headers/NSItemProvider+UIKitAdditions.h	2024-02-16 00:04:39
+++ /Applications/Xcode_15.4.0-beta.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS.sdk/System/Library/Frameworks/UIKit.framework/Headers/NSItemProvider+UIKitAdditions.h	2024-04-05 01:28:03
@@ -21,12 +21,6 @@
     UIPreferredPresentationStyleAttachment,
 };
 
-// workaround for
-// rdar://120810891 (NSItemProvider canLoadObjectOfClass disagreement with loadObjectOfClass)
-@interface NSItemProvider (NSItemProviderTypeAvailability)
-- (NSArray<NSString *> *)_availableTypes API_AVAILABLE(ios(17.3));
-@end
-
 @interface NSItemProvider (UIKitAdditions)
 
 @property (nonatomic, copy, nullable) NSData *teamData API_AVAILABLE(ios(11.0)) API_UNAVAILABLE(watchos, tvos);