Remove generated locales from git tree

Now compiled locale files (.mo) are generated on the server side.
This cleans up the git tree and make translation contributions much
easier to merge.

Please note that you will need to generate those files after each pull,
so remember to execute
1 job for generate_traduction in 3 minutes and 34 seconds (queued for 2 seconds)
Status Job ID Name Coverage
passed #1647