remove corrupt get-pip.py
remove corrupt get-pip.py

If get-pip servers fall over and return 503 for a few hours (which
they do medium regularly) we'll cache crud html, and everything will
suck. We know this script should be python, so if it isn't, delete it.

Change-Id: Ia9f6f7c7217939bc1ab5745f4a9d568acfbf04c8

prithivm/branch01,group-policy/devstack,thomasem/devstack,Mahito/devstack,noironetworks/devstack,nawawi/openstack,avvocatodemarchis/devstack,pombredanne/devstack,openstack-dev/devstack,bswartz/devstack,richliu/devstack,Mahito/devstack,dirkmueller/devstack,group-policy/devstack,samgoon/devstack,dtroyer/devstack,bigswitch/devstack,samgoon/devstack,pombredanne/devstack,bigswitch/devstack,nawawi/openstack,varunarya10/devstack,ozamiatin/devstack,dtroyer/devstack,prithivm/branch01,avvocatodemarchis/devstack,mssumanth/devstack,noironetworks/devstack,richliu/devstack,varunarya10/devstack,dirkmueller/devstack,mssumanth/devstack,bswartz/devstack,ozamiatin/devstack,thomasem/devstack,openstack-dev/devstack