Fix Check list in tag details view.
Fix Check list in tag details view.

Seems that the tags data in each CheckStat document (removed in
36b8d4eb13e2624022350c2fc5f66b8e1c503f04) was usefaul after all... But
getting the list of CheckStat for a given tag can be done in another
way.

nacyot/uptime,brianjking/uptime,askcs/uptime,arthurpro/uptime,SaravananPerumal23/uptime2,ifavo/uptime,blendlabs/uptime,nerevu/uptime,nerevu/uptime,bathree/uptime,SpringerPE/uptime,RafeHatfield/nodeuptime,SufianHassan/uptime,scalp42/uptime,GuptaVineet-IBM/upTime_ford,sinkingshriek/uptime,blackboard/uptime,jraigneau/watchdog,prune998/uptime,ptisp/uptime,WillGuan105/uptime,traskat/uptime,0x8BADFOOD/uptime,ptisp/uptime,Maluuba/uptime,rkmallik/uptime-openshift,heamon7/uptime,aregpetrosyan/web,rkmallik/uptime-openshift,f33rx/docker-uptime,aregpetrosyan/web,MichaelStephan/uptime,f33rx/docker-uptime,cloudfoundry-community/uptime-cfready,phanan/uptime,fzaninotto/uptime,b-pedzik/uptime,erpframework/uptime,memezilla/uptime,SaravananPerumal23/uptime2