Remove unused flow suppressions

Summary: I'm trying to clean up core files and finding suppressions that aren't needed. Bulk removing them.

Reviewed By: cpojer

Differential Revision: D17586683

fbshipit-source-id: fc289bd70b0c928b49a75015ecb5aebe8ab4f1da

Libraries/Components/ProgressViewIOS/ProgressViewIOS.ios.js

@@ -74,7 +74,4 @@ const styles = StyleSheet.create({
 
 const ProgressViewIOSWithRef = React.forwardRef(ProgressViewIOS);
 
-/* $FlowFixMe(>=0.89.0 site=react_native_ios_fb) This comment suppresses an
- * error found when Flow v0.89 was deployed. To see the error, delete this
- * comment and run Flow. */
 module.exports = (ProgressViewIOSWithRef: typeof RCTProgressViewNativeComponent);