There were only two elements we were using from this repo -
os-svc-install which we werent actually calling anywhere, we only
depended on it needelessly and sysctl. The sysctl element has been moved
in to dib as dib-sysctl so we can now stop depending on
tripleo-image-elements entirely.
Depends-On: If312d199388036d6f4103e94dca99249cb3bcbaf
Depends-On: Ia730850a48e2478fd5461710a9d2619408725cd8
Change-Id: Ie78c4f3ebe506214f0ce7c456fcbbee09d35ba2a
3c5c13c69c