Remove unused quickstart.conf
Remove unused quickstart.conf

This was added back in 2014 in 82695eb8. It hasn't been touched since
and doesn't seem to be particularly useful to either us or any user, so
delete it.

Updates #334.

mvdan/tyk,lonelycode/tyk,nebolsin/tyk,nebolsin/tyk,nebolsin/tyk,mvdan/tyk,mvdan/tyk,nebolsin/tyk,mvdan/tyk,nebolsin/tyk,mvdan/tyk,mvdan/tyk,mvdan/tyk,lonelycode/tyk,nebolsin/tyk,mvdan/tyk,nebolsin/tyk,nebolsin/tyk,lonelycode/tyk