Remove do not merge code

Author: zooba

Python/sysmodule.c

@@ -1,6 +1,3 @@
-// DO NOT MERGE
-//#define TAG NULL
-
 
 /* System module */
 
@@ -3604,13 +3601,6 @@ make_impl_info(PyObject *version_info)
     if (res < 0)
         goto error;
 
-// DO NOT MERGE
-#ifdef MS_WINDOWS
-    if (GetEnvironmentVariableW(L"PYNOCACHETAG", NULL, 0)) {
-        _PySys_ImplCacheTag = NULL;
-    }
-#endif
-
     value = _PySys_ImplCacheTag
         ? PyUnicode_FromString(_PySys_ImplCacheTag)
         : Py_NewRef(Py_None);