Kill old transform propTypes/attributes

Summary: I can't find anywhere these are being used by the bridge / native
views anymore. I don't think they work anymore. ART has a similar
API but uses a different code path.

We might as well clean this up. Makes it easier to reason about.

@​public

Reviewed By: @vjeux

Differential Revision: D2445353

Libraries/StyleSheet/TransformPropTypes.js

@@ -29,13 +29,6 @@ var TransformPropTypes = {
     ])
   ),
   transformMatrix: ReactPropTypes.arrayOf(ReactPropTypes.number),
-
-  // DEPRECATED
-  rotation: ReactPropTypes.number,
-  scaleX: ReactPropTypes.number,
-  scaleY: ReactPropTypes.number,
-  translateX: ReactPropTypes.number,
-  translateY: ReactPropTypes.number,
 };
 
 module.exports = TransformPropTypes;