Remove password confirmation from legacy upgrade
Remove password confirmation from legacy upgrade

There isn't a password confirmation on the registration page, so this
makes it consistent.

Sinar/popit,Sinar/popit,mysociety/popit,mysociety/popit,mysociety/popit,openstate/popit,openstate/popit,Sinar/popit,openstate/popit,mysociety/popit,openstate/popit,mysociety/popit,Sinar/popit