Remove old dkim key
We don't need this key after the recent migration from opendkim to rspamd.
Due to an influx of spam, we have had to temporarily disable account registrations. Please write an email to accountsupport@archlinux.org, with your desired username, if you want to get access. Sorry for the inconvenience.
We don't need this key after the recent migration from opendkim to rspamd.