Changes to the virt-install based VM (initial VM):
Changes to the virt-install based VM (initial VM):

- Use VNC+VGA only (remove Spice)
- Remove the sound device
- Remove the USB controller
- Remove the balloon device

Change-Id: I17dcb2744f467abdc772584ae0a55f61239f537e
Signed-Off-By: Yaniv Kaul <b08332cf9fad926fb2645965802bed3bc244a916@redhat.com>

oVirt/ovirt-hosted-engine-setup,oVirt/ovirt-hosted-engine-setup