Remove an unnecessary indirection in the rhevm builder.
Remove an unnecessary indirection in the rhevm builder.

In particular, there was no reason for push_image to
call push_image_upload since all pushes are uploads for
RHEV-M.

Signed-off-by: Chris Lalancette <60b62644009db6b194cc0445b64e9b27bb26433a@redhat.com>

LalatenduMohanty/imagefactory,redhat-imaging/imagefactory,henrysher/imagefactory,jmcabandara/imagefactory,henrysher/imagefactory,LalatenduMohanty/imagefactory,jmcabandara/imagefactory,redhat-imaging/imagefactory