Revert "Renamed "Employment/Howard and Sons" label to "Howard and Sons""

This reverts commit c7ae643502693b085e272f2802ce34ebd6fa9604.

Conflicts:
	filters.rb
Loosened "Employment: Howard and Sons (Roster)" filter
Alphabetical ordering
Removed some "Social" labels
Whitelisted `messages-noreply@linkedin.com` from newsletters
Whitelisted `notifications-noreply@linkedin.com` from newsletters
Added a comment to gitignore
Added `commbank.com.au` to bank domains
Don't mark successful bank transfer emails as read
Apply `archive_unless_directed` to Howard & Sons emails
Tightened Howard & Sons roster filter
Changed variable name
Added additional email addresses for the NSW Firearms Registry
Archive "Firearms/Newsletters" emails
Added comments
Apply `archive_unless_directed` to "Projects" filters