Fix: Remove empty get settings ability files from a previous revert.

When applying the grunt patch at [61690], it seems the patch made the files empty instead of deleting them. This commit just tries to fix that issue.
Follow up to [61690].

Props jorgefilipecosta.

git-svn-id: https://develop.svn.wordpress.org/trunk@61693 602fd350-edb4-49c9-b593-d223f7449a82

Author: jorgefilipecosta