Revert "Ensure buttons are disabled by default for reply and create topic"

This reverts commit 5c1c614d0e47a768eaf0cdf39f892d4731b8d55a which
conflicts with code in mw-ui-enhance that aims to serve the same purpose.

Change-Id: If7c15c9260f9f6a442f0b30492a169682bbc2882
Merge "Revert "Ensure buttons are disabled by default for reply and create topic""