Get rid of some 1.8 support racc gem constraints
Get rid of some 1.8 support racc gem constraints

opal/opal,jgaskins/opal,bbatsov/opal,catprintlabs/opal,Mogztter/opal,fazibear/opal,Ajedi32/opal,kachick/opal,iliabylich/opal,gabrielrios/opal,opal/opal,Mogztter/opal,castwide/opal,gausie/opal,c42engineering/opal,Ajedi32/opal,catprintlabs/opal,bbatsov/opal,kachick/opal,gabrielrios/opal,opal/opal,jgaskins/opal,c42engineering/opal,jgaskins/opal,domgetter/opal,catprintlabs/opal,Flikofbluelight747/opal,suyesh/opal,Ajedi32/opal,kachick/opal,Flikofbluelight747/opal,c42engineering/opal,kachick/opal,Mogztter/opal,merongivian/opal,suyesh/opal,jannishuebl/opal,wied03/opal,castwide/opal,merongivian/opal,gausie/opal,Mogztter/opal,wied03/opal,jannishuebl/opal,opal/opal,Flikofbluelight747/opal,jannishuebl/opal,fazibear/opal,iliabylich/opal,merongivian/opal,wied03/opal,domgetter/opal,gabrielrios/opal,fazibear/opal,castwide/opal,bbatsov/opal,iliabylich/opal,suyesh/opal,gausie/opal