[templates][base] Don't use CDN for font-awesome/bootstrap

We already have everything locally and thus no need for CDN uses.
1 job for <span class="ref-name">fix_cdn_sources</span> in 15 minutes and 48 seconds (queued for 8 seconds)
Status Job ID Name Coverage
  Build
failed #166755
docker-build
build_linux_36

00:15:48

 
Name Stage Failure
failed
build_linux_36 Build
    return Database.Cursor.execute(self, query, params)
django.db.utils.OperationalError: database is locked

----------------------------------------------------------------------
Ran 1010 tests in 616.611s

FAILED (errors=1, skipped=40)
Destroying test database for alias 'default' ('/dev/shm/beatweb/test.sqlite3')...
ERROR: Job failed: exit status 1