Revert "utils: Create AsyncProcessOperation"

This reverts commit ed426e5590df421bace0aef9fc802baf2a24a5f2.

Change-Id: I4a4d42db21d4541d955af415898d9cdedd83275b
Signed-off-by: Yaniv Bronhaim <ybronhei@redhat.com>
Reviewed-on: http://gerrit.ovirt.org/23234