Revert^2 "puppetmaster: change git sender email address to [email protected]"
This reverts commit 75953f7a0bbef0a18db662e5eedbc789e433e30e.
Reason for revert: mail DID actually arrive, regex allows @wikimedia.org
Change-Id: I6e2a0fbc8686695abb169bb85c8d40c2e7629607