Disable subdescriptors to fix layout plugin

Summary:
Bug report here: https://fb.facebook.com/groups/230455004101832/permalink/519062535241076/

This has broken layout plugin when NT components are used.
Removing the subdescriptors as a quick fix. At the moment, this means removing the new NT features.

Reviewed By: priteshrnandgaonkar

Differential Revision: D13103790

fbshipit-source-id: 57c10a0a07507aaba0cd7a20d1b548470203f2f6

iOS/Plugins/FlipperKitLayoutPlugin/FlipperKitLayoutComponentKitSupport/SKComponentLayoutDescriptor.mm

@@ -111,7 +111,7 @@
 }
 
 - (void)addSubDescriptors:(nonnull NSArray<SKSubDescriptor *>*)subDescriptors{
-  _registeredSubdescriptors = subDescriptors;
+  // _registeredSubdescriptors = subDescriptors;
 }
 
 - (NSDictionary<NSString *, NSObject *> *)propsForFlexboxChild:(CKFlexboxComponentChild)child {