autobuild: Add nopython environment to test --disable-python builds (but without...

autobuild: Add nopython environment to test --disable-python builds (but without tests)

This ensures we keep this option building as we extend our use of python.

The rule is that new features and changes to existing features that
require python are most welcome, they just need to be disabled for the
minimalistic targets we still ecourage Samba on, that typically just
want smbd

Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>