Remove email from new-instance.md
Remove email from new-instance.md

We're not actively developing or supporting this project, so don't encourage people to email.
mysociety/yournextmp-popit,mysociety/yournextmp-popit,mysociety/yournextmp-popit,mysociety/yournextrepresentative,mysociety/yournextrepresentative,mysociety/yournextrepresentative,mysociety/yournextmp-popit,mysociety/yournextrepresentative,mysociety/yournextrepresentative,mysociety/yournextmp-popit