Revert "Temporarily disabling WikiLove per bug 47457, except testwiki"

The bug fix has been merged and deployed, so let's turn WikiLove back on.

This reverts commit ca6410825f589f6e5d270af34c323ff3652784ed

Change-Id: Ifdf7442e814680dd356ca1db00796db3645d17fe
Merge "Revert "Temporarily disabling WikiLove per bug 47457, except testwiki""