This reduces the Python closure size by another 10 MiB.
This reduces Python's closure size from 200 MiB to 129 MiB. Even better would be to get move tkinter to a separate output or package (since that would get rid of all X11 stuff), but that's a bit harder.
This reverts commit e261818c68 and others. Having Python propagate less really doesn't make sense.
e261818c68
Move Python interpreters (CPython, PyPy) to same folder and share layout.