gh-104584: Change DEOPT_IF in uops executor (#106146)

This effectively reverts bb578a0, restoring the original DEOPT_IF() macro in ceval_macros.h, and redefining it in the Tier 2 interpreter. We can get rid of the PREDICTED() macros there as well!

Python/ceval_macros.h

@@ -264,12 +264,11 @@ GETITEM(PyObject *v, Py_ssize_t i) {
 #define UPDATE_MISS_STATS(INSTNAME) ((void)0)
 #endif
 
-// NOTE: in the uops version, opcode may be > 255
 #define DEOPT_IF(COND, INSTNAME)                            \
     if ((COND)) {                                           \
         /* This is only a single jump on release builds! */ \
         UPDATE_MISS_STATS((INSTNAME));                      \
-        assert(opcode >= 256 || _PyOpcode_Deopt[opcode] == (INSTNAME)); \
+        assert(_PyOpcode_Deopt[opcode] == (INSTNAME));      \
         GO_TO_INSTRUCTION(INSTNAME);                        \
     }