Revert "Merge pull request #435 from alphagov/feature/technical-architects"

This reverts commit b43e81d9abbf3d21a9b5ec2a584644ad90803684, reversing
changes made to 9cbbf0dabd74325982631d4d30b437219c230b33.

Been asked to remove this since it isn't considered complete enough to
go live.
Merge pull request #444 from alphagov/feature/remove-tech-arch-section

Remove technical architect section