Remove `scripts/cf_admin_login.sh`
Remove `scripts/cf_admin_login.sh`

We have now moved our credentials to credhub, and support SSO for admin user
logins across all environments. That means we no longer log in using the admin
password, and that the admin password requires Credhub access. We can safely
remove this script.

alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf,alphagov/paas-cf