Remove spec for ambiguous tiers
Remove spec for ambiguous tiers

validation in contiguous_tiers? is not now reposible for ambiguous tiers,
spec for this is spec https://github.com/ManageIQ/manageiq/blob/master/spec/controllers/chargeback_controller_spec.rb

yaacov/manageiq,syncrou/manageiq,gmcculloug/manageiq,aufi/manageiq,jvlcek/manageiq,NaNi-Z/manageiq,KevinLoiseau/manageiq,romanblanco/manageiq,jrafanie/manageiq,matobet/manageiq,NickLaMuro/manageiq,kbrock/manageiq,chessbyte/manageiq,ManageIQ/manageiq,KevinLoiseau/manageiq,fbladilo/manageiq,agrare/manageiq,gerikis/manageiq,romanblanco/manageiq,tzumainn/manageiq,mfeifer/manageiq,fbladilo/manageiq,syncrou/manageiq,romanblanco/manageiq,durandom/manageiq,maas-ufcg/manageiq,ailisp/manageiq,mfeifer/manageiq,durandom/manageiq,josejulio/manageiq,mkanoor/manageiq,tzumainn/manageiq,mkanoor/manageiq,branic/manageiq,mfeifer/manageiq,ilackarms/manageiq,djberg96/manageiq,borod108/manageiq,fbladilo/manageiq,romaintb/manageiq,jameswnl/manageiq,romaintb/manageiq,borod108/manageiq,gmcculloug/manageiq,gerikis/manageiq,billfitzgerald0120/manageiq,mfeifer/manageiq,agrare/manageiq,juliancheal/manageiq,maas-ufcg/manageiq,maas-ufcg/manageiq,KevinLoiseau/manageiq,israel-hdez/manageiq,matobet/manageiq,pkomanek/manageiq,romaintb/manageiq,borod108/manageiq,skateman/manageiq,billfitzgerald0120/manageiq,jvlcek/manageiq,branic/manageiq,mzazrivec/manageiq,mresti/manageiq,juliancheal/manageiq,mkanoor/manageiq,syncrou/manageiq,juliancheal/manageiq,ManageIQ/manageiq,skateman/manageiq,juliancheal/manageiq,pkomanek/manageiq,ailisp/manageiq,tinaafitz/manageiq,syncrou/manageiq,skateman/manageiq,jrafanie/manageiq,mresti/manageiq,andyvesel/manageiq,gmcculloug/manageiq,jameswnl/manageiq,ailisp/manageiq,josejulio/manageiq,gerikis/manageiq,NaNi-Z/manageiq,chessbyte/manageiq,agrare/manageiq,NickLaMuro/manageiq,NaNi-Z/manageiq,kbrock/manageiq,jameswnl/manageiq,tinaafitz/manageiq,pkomanek/manageiq,djberg96/manageiq,ManageIQ/manageiq,andyvesel/manageiq,matobet/manageiq,jntullo/manageiq,israel-hdez/manageiq,tinaafitz/manageiq,mzazrivec/manageiq,josejulio/manageiq,mresti/manageiq,lpichler/manageiq,aufi/manageiq,d-m-u/manageiq,romaintb/manageiq,jntullo/manageiq,jvlcek/manageiq,KevinLoiseau/manageiq,durandom/manageiq,durandom/manageiq,josejulio/manageiq,borod108/manageiq,aufi/manageiq,mresti/manageiq,agrare/manageiq,maas-ufcg/manageiq,tzumainn/manageiq,gerikis/manageiq,jrafanie/manageiq,jvlcek/manageiq,djberg96/manageiq,tinaafitz/manageiq,kbrock/manageiq,yaacov/manageiq,jntullo/manageiq,skateman/manageiq,yaacov/manageiq,billfitzgerald0120/manageiq,ilackarms/manageiq,tzumainn/manageiq,hstastna/manageiq,chessbyte/manageiq,mkanoor/manageiq,yaacov/manageiq,jameswnl/manageiq,ManageIQ/manageiq,matobet/manageiq,d-m-u/manageiq,chessbyte/manageiq,jrafanie/manageiq,ilackarms/manageiq,romanblanco/manageiq,hstastna/manageiq,KevinLoiseau/manageiq,andyvesel/manageiq,fbladilo/manageiq,lpichler/manageiq,israel-hdez/manageiq,lpichler/manageiq,d-m-u/manageiq,kbrock/manageiq,NickLaMuro/manageiq,NickLaMuro/manageiq,djberg96/manageiq,ilackarms/manageiq,romaintb/manageiq,d-m-u/manageiq,branic/manageiq,mzazrivec/manageiq,maas-ufcg/manageiq,aufi/manageiq,maas-ufcg/manageiq,ailisp/manageiq,pkomanek/manageiq,KevinLoiseau/manageiq,lpichler/manageiq,gmcculloug/manageiq,mzazrivec/manageiq,hstastna/manageiq,hstastna/manageiq,branic/manageiq,jntullo/manageiq,israel-hdez/manageiq,NaNi-Z/manageiq,romaintb/manageiq,andyvesel/manageiq,billfitzgerald0120/manageiq