[Adobe] Remove forums exclusions

And update related comments.
[Aftenposten] Cosmetics
[Aftenposten] Amend comments
[Aftenposten.no] mixedcontent for broken MCB ruleset
[Atlassian] Cover hyphen-minus
[Atlassian] Comment cosmetics
[Atlassian] Append tld
[Atlassian.com] Don't rewrite from https

Needless complexity.
[Atlassian.com] Add comments
[bit.ly vanity domains] Add more domains
[bit.ly vanity domains] Cosmetics
[Brown University] Add comment
[Brown University] Rename
[Brown.edu] Cosmetics
[Brown.edu] Move special case above main rule
[Brown.edu] Don't rewrite from https

Needless complexity.
[BusinessInsider] Add static\d.uk
[BusinessInsider] Add comments
[BusinessInsider] Move special case above main rule
[BusinessInsider] Cosmetics