The Bundle_Contents_Resources_Lang dir gids (its only use) have been unused
since f0b57c30 "Info.plist et al were no longer
found when creating a .dmg", and those Contents/Resources/*.lproj dirs are
created on demand now, anyway.

Change-Id: Ia3e867307c4fc31180594d507721577a21cc20b1
Reviewed-on: https://gerrit.libreoffice.org/71319
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>