CONN-622 wall notification admin entity was always empty; changing the array key name fixed isse with not displaying removals of messages in thread history
CONN-622 | Fix for removing Wall replies
CON-2022 | maintenance script for fixing broken removed wall replies
CONN-622 | Wall removing replies - one more fix
Merge pull request #5187 from Wikia/CONN-622

CON-2022 | Fix for removing Wall replies + maintenance script