Revert "bump clock"
Revert "bump clock"

This reverts commit a5abefb4eb8ef744fb052ace61a564d5c67dcc0a.

We suspect the most recent clock commit was causing failures in the
locket test suite in CI. Reverting this commit to unblock the pipeline
until we can do a more thorough investigation.

cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release,cloudfoundry-incubator/diego-release