Skara and .sig files

[Andrew Haley]

The email->github gateway doesn't remove .sigs from emails.

Can we fix that, please? It's easy enough, given that all sigs start
with "-- " in its own line. It'd tidy things up considerably.

Thanks,

-- 
Andrew Haley  (he/him)
Java Platform Lead Engineer
Red Hat UK Ltd. <https://www.redhat.com>
https://keybase.io/andrewhaley
EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671