Bug 47597: Languages:
Don't set to empty list

This is overriden when set later by mobile

see https://gerrit.wikimedia.org/r/#/c/59987/9
Bug: 47597

Change-Id: I93279c3d2a4710bb1e8c7eddeedcd5ae132f563b
Merge "Bug 47597: Languages: Don't set to empty list"