remove supersede as it is NYI
remove supersede as it is NYI

jonathanstowe/doc,gfldex/doc,stmuk/doc,gfldex/doc,tbrowder/doc,gfldex/doc,MasterDuke17/doc,jonathanstowe/doc,dmaestro/doc,perl6/doc,perl6/doc,MasterDuke17/doc,dmaestro/doc,stmuk/doc,jonathanstowe/doc,antquinonez/doc,gfldex/doc,perl6/doc,antquinonez/doc,stmuk/doc,jonathanstowe/doc,antquinonez/doc,gfldex/doc,perl6/doc,tbrowder/doc,stmuk/doc,stmuk/doc,MasterDuke17/doc,antquinonez/doc,tbrowder/doc,tbrowder/doc,perl6/doc,antquinonez/doc,dmaestro/doc,jonathanstowe/doc,dmaestro/doc,dmaestro/doc,MasterDuke17/doc