fixup! bpo-38962: Fix reference leak in the per-subinterpreter gc

Author: pablogsal

Python/pylifecycle.c

@@ -1253,11 +1253,7 @@ finalize_interp_clear(PyThreadState *tstate)
 {
     int is_main_interp = _Py_IsMainInterpreter(tstate);
 
-    /* bpo-36854: Explicitly clear the codec registry */
     PyInterpreterState *interp = tstate->interp;
-    Py_CLEAR(interp->codec_search_path);
-    Py_CLEAR(interp->codec_search_cache);
-    Py_CLEAR(interp->codec_error_registry);
 
     /* Clear interpreter state and all thread states */
     PyInterpreterState_Clear(tstate->interp);