Removed print from add_remove_group

Crx/connection.py

@@ -366,6 +366,4 @@ class Connection:
             'memberEntry': (None, group_name),
         }
         url = self._host + path
-        resp = self._session.post(url, files=args)
+        return self._session.post(url, files=args).ok
-        print(resp.text)
-        return resp.ok