registry: drop hash-comparison safety
registry: drop hash-comparison safety

Leave comparison up to the calling code for now.

thepwagner/fleet,coreos/fleet,jonboulle/fleet,mookjp/fleet,bviswana101/fleet,jonboulle/fleet,WPMedia/fleet,mwitkow-io/fleet,dalbani/fleet,flandr/fleet,ecnahc515/fleet,giantswarm/fleet,dongsupark/fleet,octoblu/fleet,improbable-io/fleet,mwhooker/fleet,dalbani/fleet,mischief/fleet,bviswana101/fleet,webwlsong/fleet,dongsupark/fleet,endocode/fleet,jonboulle/fleet,paveltiunov/fleet,octoblu/fleet,mwitkow/fleet,mwitkow/fleet,dalbani/fleet,hhoover/fleet,WPMedia/fleet,paveltiunov/fleet,hhoover/fleet,mwhooker/fleet,webwlsong/fleet,wuqixuan/fleet,ecnahc515/fleet,mookjp/fleet,coreos/fleet,thepwagner/fleet,giantswarm/fleet,bcwaldon/fleet,improbable-io/fleet,ecnahc515/fleet,esatterwhite/fleet,bcwaldon/fleet,mwitkow-io/fleet,endocode/fleet,bcwaldon/fleet,giantswarm/fleet,flandr/fleet,improbable-io/fleet,dongsupark/fleet,esatterwhite/fleet,endocode/fleet,mischief/fleet,wuqixuan/fleet,coreos/fleet