Remove more stale folders/files/changes (react#1337)

* Delete more stuff

* Remove some stale looking SDX platform scripts

* Remove remnant of `acceptsKeyboardFocus`

* Add back some missing newlines

Author: Saadnajmi

Libraries/Components/View/View.js

@@ -28,13 +28,6 @@ const View: React.AbstractComponent<
   ViewProps,
   React.ElementRef<typeof ViewNativeComponent>,
 > = React.forwardRef((props: ViewProps, forwardedRef) => {
-  // [TODO(macOS GH#774)
-  invariant(
-    // $FlowFixMe Wanting to catch untyped usages
-    props.acceptsKeyboardFocus === undefined,
-    'Support for the "acceptsKeyboardFocus" property has been removed in favor of "focusable"',
-  );
-  // TODO(macOS GH#774)]
   return (
     <TextAncestor.Provider value={false}>
       <ViewNativeComponent {...props} ref={forwardedRef} />

Libraries/Types/RootTagTypes.js~merged

@@ -7,6 +7,7 @@
  * @format
  * @flow strict-local
  */
+
 // TODO: move this file to shims/ReactNative (requires React update and sync)
 
 import requireNativeComponent from '../../Libraries/ReactNative/requireNativeComponent';

Libraries/Utilities/codegenNativeComponent.js

@@ -27,6 +27,7 @@ class RCTImageResponseObserverProxy final : public ImageResponseObserver {
  private:
   __weak id<RCTImageResponseDelegate> delegate_;
 };
+
 } // namespace react
 } // namespace facebook