Abuse-monitor: Fix bug with unclaiming
Abuse-monitor: Fix bug with unclaiming

Other users leaving (who are not the ones who claimed it) should not be marking it as unclaimed.
svivian/Pokemon-Showdown,xfix/Pokemon-Showdown,svivian/Pokemon-Showdown,xfix/Pokemon-Showdown,svivian/Pokemon-Showdown,xfix/Pokemon-Showdown,svivian/Pokemon-Showdown,xfix/Pokemon-Showdown,svivian/Pokemon-Showdown,xfix/Pokemon-Showdown