Revert "Fix regexes for #wikimedia-labs"

The failure appears to be a local issue for me.

This reverts commit b964a4bb4886f3ffab5786e4c7f504a06ff44436.

Change-Id: I6b34f4dc49b8364aeb9a67531a2087c100819e33
Merge "Revert "Fix regexes for #wikimedia-labs""