remove set_tp_bases in race suppression

Author: LindaSummer

Tools/tsan/suppressions_free_threading.txt

@@ -41,6 +41,3 @@ race:list_inplace_repeat_lock_held
 # PyObject_Realloc internally does memcpy which isn't atomic so can race
 # with non-locking reads. See #132070
 race:PyObject_Realloc
-
-# gh-133467.  Some of these could be hard to trigger.
-race_top:set_tp_bases