pythongh-115999: remove redundant check in free-threading from _STORE_ATTR_WITH_HINT (python#136249)

Author: kumaraditya303

Python/bytecodes.c

@@ -2641,12 +2641,6 @@ dummy_func(
             PyDictObject *dict = _PyObject_GetManagedDict(owner_o);
             DEOPT_IF(dict == NULL);
             DEOPT_IF(!LOCK_OBJECT(dict));
-            #ifdef Py_GIL_DISABLED
-            if (dict != _PyObject_GetManagedDict(owner_o)) {
-                UNLOCK_OBJECT(dict);
-                DEOPT_IF(true);
-            }
-            #endif
             assert(PyDict_CheckExact((PyObject *)dict));
             PyObject *name = GETITEM(FRAME_CO_NAMES, oparg);
             if (hint >= (size_t)dict->ma_keys->dk_nentries ||