42c0d0696c
We were setting the cert file contents to the paths rather than updating the paths to point at the new LE certs. Fix this by setting the _file vars which update the path. This includes a partial revert of the previous change to not switch git.zuul-ci.org over to LE as we haven't provisioned an LE cert for it yet. Change-Id: I41c2aa1d03afba4ebf6378e9abf8276154666df7