Revert "use temporary migration queues"

This reverts commit b3506d7296bcff9d0f0d5f1787f3affbb3f05923.

(cherry picked from commit 8d27a386984ae54c9afaae536c3f19e5c09b0076)
Merge pull request #5299 from Wikia/UC-71-2

UC-71 Fix redirect issue with encoded querystring
(cherry picked from commit 4638ee267ea8b42738ae6683084b8a905a60b976)
Merge pull request #5262 from Wikia/CE-1103-japanese-notification

CE-1103 Show a notification if a given wikia is available in the user's native language
DAT-2176 remove checking of $wgStatsDBEnabled
ADEN-1551 Disabling GPT, because Google serves 502s

Conflicts:
	extensions/wikia/AdEngine/js/AdConfig2.js
	extensions/wikia/AdEngine/js/AdConfig2Late.js
Merge pull request #5317 from Wikia/release-251-aden-1551-disable-gpt

ADEN-1551 Disabling GPT, because Google serves 502s
VID-2130 porting over whole file rather than one piece. Fixing race condition
Merge pull request #5320 from Wikia/VID-2130

VID-2130 Fixing gallery loading race condition
fixed var in if check
Merge pull request #5323 from Wikia/CE-1103-Japanese-notification-fix

CE-1103 Fix WikiaInYourLang inArray condition
ADEN-1545 Improve Evolve targeting