remove UndecidableInstances
remove UndecidableInstances

mkscrg/persistent,jcristovao/persistent,nakaji-dayo/persistent,jcristovao/persistent,paul-rouse/persistent,rdnetto/persistent,gbwey/persistent,meteficha/persistent,greydot/persistent,junjihashimoto/persistent,superduper/persistent,nakaji-dayo/persistent,jasonzoladz/persistent,superduper/persistent,junjihashimoto/persistent,meteficha/persistent,greydot/persistent,mitchellwrosen/persistent,jcristovao/persistent,gbwey/persistent,andrewthad/persistent,rdnetto/persistent,creichert/persistent,nakaji-dayo/persistent,mitchellwrosen/persistent,pseudonom/persistent,gbwey/persistent,mitchellwrosen/persistent,meteficha/persistent,jasonzoladz/persistent,yesodweb/persistent,pseudonom/persistent,erikd/persistent,superduper/persistent,naushadh/persistent,mkscrg/persistent,bitemyapp/persistent,psibi/persistent,mkscrg/persistent,andrewthad/persistent,jasonzoladz/persistent,greydot/persistent,plow-technologies/persistent,andrewthad/persistent