Remove $wgULSNoWebfontsSelectors

 1. Autonym font for Interlanguage area is blacklisted as of now. So, this
    config can be removed.
 2. Discussion at: https://gerrit.wikimedia.org/r/#/c/113378/2//COMMIT_MSG
 3. This will revert: Ib597431a3176abda6ab438976fefb6377ecf4ab9

Change-Id: I236a375608bdea3552d76d80e4a8a93452f8de0d