clean up Freshdesk a bit more

[chadwhitacre]

Following on from #513 (comment) ...

I've had recent contact with @chrisdev and @dmk246, they're still active, as are @clone1018 and @rohitpaulk.

@rummik is definitely _in_active now (#520).

For @captn3m0 @ericmeltzer @greggles ... could I get a ping from you if you want to keep your Gratipay Freshdesk account active? Otherwise I'll deactivate it for the time being. :-)

[captn3m0]

You can deactivate my account for now.

[chadwhitacre]

Cool, thanks @captn3m0. :-)

[chadwhitacre]

This got handled somewhere along the line.