Move Special:MyLanguage aliases to a separate file

The Bashkir name is the same as English, so it's removed completely.

See also Ie6a4d878b87ee030f9c042b43f7b1fb424b54099 .

Bug: 69461
Change-Id: I6f84eaf414b6d4239522bad14e90b1cbfc82590f
Merge "Move Special:MyLanguage aliases to a separate file"