gh-98879: Remove unreachable error case from COMPARE_OP_STR_JUMP (GH-98882)

Thanks to PEP 623 changes, the comparison cannot fail.
diff --git a/Python/ceval.c b/Python/ceval.c
index 24af419..f2250ff 100644
--- a/Python/ceval.c
+++ b/Python/ceval.c
@@ -3420,9 +3420,6 @@ _PyEval_EvalFrameDefault(PyThreadState *tstate, _PyInterpreterFrame *frame, int
             DEOPT_IF(!PyUnicode_CheckExact(right), COMPARE_OP);
             STAT_INC(COMPARE_OP, hit);
             int res = _PyUnicode_Equal(left, right);
-            if (res < 0) {
-                goto error;
-            }
             assert(oparg == Py_EQ || oparg == Py_NE);
             JUMPBY(INLINE_CACHE_ENTRIES_COMPARE_OP);
             NEXTOPARG();