Remove all 1.8 modes from CI.
Remove all 1.8 modes from CI.

sideci-sample/sideci-sample-refinerycms,Retimont/refinerycms,kappiah/refinerycms,kappiah/refinerycms,mabras/refinerycms,simi/refinerycms,KingLemuel/refinerycms,stefanspicer/refinerycms,Eric-Guo/refinerycms,johanb/refinerycms,mlinfoot/refinerycms,trevornez/refinerycms,anitagraham/refinerycms,mabras/refinerycms,gwagener/refinerycms,mlinfoot/refinerycms,chrise86/refinerycms,chrise86/refinerycms,johanb/refinerycms,gwagener/refinerycms,bricesanchez/refinerycms,louim/refinerycms,simi/refinerycms,louim/refinerycms,anitagraham/refinerycms,johanb/refinerycms,mkaplan9/refinerycms,hoopla-software/refinerycms,LytayTOUCH/refinerycms,mkaplan9/refinerycms,Eric-Guo/refinerycms,aguzubiaga/refinerycms,KingLemuel/refinerycms,chrise86/refinerycms,KingLemuel/refinerycms,aguzubiaga/refinerycms,LytayTOUCH/refinerycms,sideci-sample/sideci-sample-refinerycms,anitagraham/refinerycms,bricesanchez/refinerycms,hoopla-software/refinerycms,refinery/refinerycms,Retimont/refinerycms,stefanspicer/refinerycms,mkaplan9/refinerycms,simi/refinerycms,trevornez/refinerycms,Eric-Guo/refinerycms,aguzubiaga/refinerycms,trevornez/refinerycms,refinery/refinerycms,LytayTOUCH/refinerycms,stefanspicer/refinerycms,gwagener/refinerycms,mabras/refinerycms,kappiah/refinerycms,Retimont/refinerycms,simi/refinerycms,hoopla-software/refinerycms,refinery/refinerycms,mlinfoot/refinerycms