Refactor SKSubDescriptor

Reviewed By: d16r

Differential Revision: D20458337

fbshipit-source-id: e8ea848c6e2f7521c5a6c6eb4110bba0bfe25593

iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/SKSubDescriptor.mm

@@ -4,24 +4,3 @@
  * This source code is licensed under the MIT license found in the
  * LICENSE file in the root directory of this source tree.
  */
-
-#if FB_SONARKIT_ENABLED
-
-#import "SKSubDescriptor.h"
-#import "SKComponentLayoutWrapper.h"
-
-@implementation SKSubDescriptor {
-}
-
-- (NSDictionary<NSString*, NSObject*>*)getDataForNode:
-    (SKComponentLayoutWrapper*)node {
-  return @{};
-}
-
-- (NSString*)getName {
-  return @"";
-}
-
-@end
-
-#endif