Remove unnecesssary deopt

Author: reidenong

Python/bytecodes.c

@@ -1674,7 +1674,7 @@ dummy_func(
         op(_UNPACK_SEQUENCE_UNIQUE_TUPLE, (seq -- values[oparg])) {
             PyObject *seq_o = PyStackRef_AsPyObjectBorrow(seq);
             assert(PyTuple_CheckExact(seq_o));
-            DEOPT_IF(PyTuple_GET_SIZE(seq_o) != oparg);
+            assert(PyTuple_GET_SIZE(seq_o) == oparg);
             DEOPT_IF(!_PyObject_IsUniquelyReferenced(seq_o));
             STAT_INC(UNPACK_SEQUENCE, hit);
             PyObject **items = _PyTuple_ITEMS(seq_o);