gh-110020: Fix unused variable warnings in bytecodes.c (GH-110023)

Author: sobolevn

Python/bytecodes.c

@@ -2023,8 +2023,7 @@ dummy_func(
         }
 
         op(_GUARD_DORV_VALUES, (owner -- owner)) {
-            PyTypeObject *tp = Py_TYPE(owner);
-            assert(tp->tp_flags & Py_TPFLAGS_MANAGED_DICT);
+            assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT);
             PyDictOrValues dorv = *_PyObject_DictOrValuesPointer(owner);
             DEOPT_IF(!_PyDictOrValues_IsValues(dorv), STORE_ATTR);
         }
@@ -2789,8 +2788,7 @@ dummy_func(
         }
 
         op(_GUARD_DORV_VALUES_INST_ATTR_FROM_DICT, (owner -- owner)) {
-            PyTypeObject *owner_cls = Py_TYPE(owner);
-            assert(owner_cls->tp_flags & Py_TPFLAGS_MANAGED_DICT);
+            assert(Py_TYPE(owner)->tp_flags & Py_TPFLAGS_MANAGED_DICT);
             PyDictOrValues *dorv = _PyObject_DictOrValuesPointer(owner);
             DEOPT_IF(!_PyDictOrValues_IsValues(*dorv) &&
                      !_PyObject_MakeInstanceAttributesFromDict(owner, dorv),
@@ -2823,8 +2821,7 @@ dummy_func(
 
         op(_LOAD_ATTR_METHOD_NO_DICT, (descr/4, owner -- attr, self if (1))) {
             assert(oparg & 1);
-            PyTypeObject *owner_cls = Py_TYPE(owner);
-            assert(owner_cls->tp_dictoffset == 0);
+            assert(Py_TYPE(owner)->tp_dictoffset == 0);
             STAT_INC(LOAD_ATTR, hit);
             assert(descr != NULL);
             assert(_PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_METHOD_DESCRIPTOR));