Remove dead domains configured in error

Conflicts:
	data/transition-sites/bis_ibb.yml
	data/transition-sites/bis_rite.yml
	data/transition-sites/bis_riteplus.yml
	data/transition-sites/bis_ss.yml
	data/transition-sites/directgov_brand.yml
	data/transition-sites/directgov_co2calculator.yml
Merge pull request #932 from rjc123/newsites

Remove dead domains configured in error