Removes print statement

celery/backends/cache.py

@@ -115,7 +115,6 @@ class CacheBackend(KeyValueStoreBackend):
 
     def on_chord_apply(self, group_id, body, result=None, **kwargs):
         self.client.set(self.get_key_for_chord(group_id), '0', time=86400)
-        print('GROUP_ID: %r RESULT: %r' % (group_id, result))
         self.app.GroupResult(group_id, result).save()
 
     def incr(self, key):