bpo-31404: Revert "remove modules from Py_InterpreterState (#1638)" (#3565)

PR #1638, for bpo-28411, causes problems in some (very) edge cases. Until that gets sorted out, we're reverting the merge. PR #3506, a fix on top of #1638, is also getting reverted.
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index c363cfe..5e1f1d3 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -2685,7 +2685,7 @@
         PyType_Ready(&PyZip_Type) < 0)
         return NULL;
 
-    mod = _PyModule_CreateInitialized(&builtinsmodule, PYTHON_API_VERSION);
+    mod = PyModule_Create(&builtinsmodule);
     if (mod == NULL)
         return NULL;
     dict = PyModule_GetDict(mod);