Remove root user .cache folder
Remove root user .cache folder

Save some HDD space by cleaning up our cache folder from pip installs.

Change-Id: Id64ab60debe550ecca097008c6dabeb6f6bcff4a
Signed-off-by: Paul Belanger <e7139c8e6c4ea75cc1c287ce081b2dc0f3ab39ec@redhat.com>

openstack-infra/project-config,openstack-infra/project-config