deltarpms not working since rawhide was signed

[Bill Nottingham]

Chuck Anderson (cra at WPI.EDU) said: 
> The infrastructure should either delete and regenerate drpms after the 
> rpm signatures have changed or they should use the code fragment from 
> https://fedorahosted.org/koji/ticket/38#comment:3 to attach rpm 
> signatures to deltarpms.

That's *really* hard, as there's not any state to track when packages
have been signed out from under the prior delta rpms.

The simplest solution would be to just nuke the old ones by hand.

Bill