Revert "CMWallpapers: RU translation: migrate to Transifex"

This reverts commit 2891f8a2419193032b0c8fdae58f99f1c9931731.

Change-Id: Ibe207d7c6d114ef3995a69b739d95af10a6181e3
Merge "Revert "CMWallpapers: RU translation: migrate to Transifex"" into cm-11.0