Remove redundant `with_options` from note validators

app/models/note.rb

@@ -33,13 +33,11 @@ class Note < ActiveRecord::Base
   validates :commit_id, presence: true, if: :for_commit?
   validates :author, presence: true
 
-  with_options unless: :for_commit? do
-    validate do |note|
+  validate unless: :for_commit? do |note|
     unless note.noteable.try(:project) == project
       errors.add(:invalid_project, 'Note and noteable project mismatch')
     end
   end
-  end
 
   mount_uploader :attachment, AttachmentUploader