Remove unnecessary comments

lib/gitlab/graphql/authorize/authorize_resource.rb

@@ -51,14 +51,11 @@ module Gitlab
           object
         end
 
-        # authorizes the object using the current class authorization.
         def authorize!(object)
           raise_resource_not_available_error! unless authorized_resource?(object)
         end
 
         def authorized_resource?(object)
-          # Sanity check. We don't want to accidentally allow a developer to authorize
-          # without first adding permissions to authorize against
           raise ConfigurationError, "#{self.class.name} has no authorizations" if self.class.authorization.none?
 
           self.class.authorization.ok?(object, current_user)