small refactor of service object

Author: Sydney Young

lib/reservation_creator.rb

@@ -28,21 +28,13 @@ def error
   end
 
   def needs_notes?
-    (request? && !valid_request?) || (override? && !valid_override?)
-  end
-
-  def valid_request?
-    request? && !notes.blank?
+    (request? || override?) && notes.blank?
   end
 
   def override?
     override && !cart_errors.blank?
   end
 
-  def valid_override?
-    override? && !notes.blank?
-  end
-
   def reservation_transaction
     result = {}
     Reservation.transaction do