Standalone: Remove temporary module from "sys.modules" again.
Standalone: Remove temporary module from "sys.modules" again.

* Seems other code was finding it and complaining about its "__file__"
  on Windows, and therefore it's not a good idea to expose it.

* Also it serves no use anymore after being run.

kayhayen/Nuitka,kayhayen/Nuitka,kayhayen/Nuitka,kayhayen/Nuitka