Remove functions source in deploy.sh
Remove functions source in deploy.sh

Sourcing the functions script in `deploy.sh` may result in failure on a
deployment where the base OS has been installed using a minimal image.
The functions script will be sourced by the install script so any and
all dependencies will be taken care of in the order in which they're
used.

Signed-off-by: Kevin Carter <ffb54fded2f22052678e45d78b58d223654eb6fa@rackspace.com>

rcbops/rpc-openstack,BjoernT/rpc-openstack,jacobwagner/rpc-openstack,rcbops/rpc-openstack,BjoernT/rpc-openstack,jacobwagner/rpc-openstack