Remove domains that belong to an organisation

If a domain is already in our organisation list then we no longer need
to manually update it here. As part of this process I went and
proactively added some organisations, so I could remove more of them
from this file. I only did this where I could clearly determine from the
domain or a suppot ticket what the organisation was.

tests/app/main/test_validators.py

@@ -93,25 +93,9 @@ def _gen_mock_field(x):
     'test@police.uk',
     'test@gov.police.uk',
     'test@GOV.PoliCe.uk',
-    'test@ucds.email',
-    'test@naturalengland.org.uk',
-    'test@hmcts.net',
     'test@scotent.co.uk',
     'test@assembly.wales',
     'test@cjsm.net',
-    'test@cqc.org.uk',
-    'test@digital.cqc.org.uk',
-    'test@bl.uk',
-    'test@stfc.ac.uk',
-    'test@wmfs.net',
-    'test@bbsrc.ac.uk',
-    'test@acas.org.uk',
-    'test@biglotteryfund.org.uk',
-    'test@marinemanagement.org.uk',
-    'test@britishmuseum.org',
-    'test@derrystrabane.com',
-    'test@highwaysengland.co.uk',
-    'test@mansheadschool.co.uk',
 ])
 def test_valid_list_of_white_list_email_domains(
     client,