Revert making _imp lazy as it's a built-in module

Author: brettcannon

Lib/importlib/util.py

@@ -3,11 +3,10 @@
 from ._bootstrap import _resolve_name
 from ._bootstrap import _find_spec
 
+import _imp
 import sys
 import types
 
-lazy import _imp
-
 
 # Public API
 from ._abc import Loader