Revert "elementary/config - commented out the translation availabilty check."
Revert "elementary/config - commented out the translation availabilty check."

This completely breaks automatic UI mirroring. The code there was
correct. Please, before removing code, contact the original author and
make sure you don't break things down. Especially if your reason for
removing is "this doesn't make sense to me" instead of "this breaks X
Y."

This reverts commit 24983fed239a3b37c05cc3c65ed9c56953a7176b.

FlorentRevest/Elementary,tasn/elementary,tasn/elementary,tasn/elementary,tasn/elementary,rvandegrift/elementary,rvandegrift/elementary,FlorentRevest/Elementary,FlorentRevest/Elementary,tasn/elementary,rvandegrift/elementary,rvandegrift/elementary,FlorentRevest/Elementary