Refactor settings controllers (#14767)

- Disallow suspended accounts from revoking sessions and apps
- Allow suspended accounts to access exports

app/controllers/concerns/export_controller_concern.rb

@@ -5,7 +5,6 @@ module ExportControllerConcern
 
   included do
     before_action :authenticate_user!
-    before_action :require_not_suspended!
     before_action :load_export
 
     skip_before_action :require_functional!
@@ -30,8 +29,4 @@ module ExportControllerConcern
   def export_filename
     "#{controller_name}.csv"
   end
-
-  def require_not_suspended!
-    forbidden if current_account.suspended?
-  end
 end