Revert "fixes #1653"

This reverts commit 861ade54cf.

app/models/artist.rb

@@ -148,14 +148,10 @@ class Artist < ActiveRecord::Base
     end
 
     def notes=(msg)
-      if name_changed? && name_was.present?
-        wiki_page = WikiPage.titled(name_was).first
-      end
-
       if wiki_page
         wiki_page.title = name
         wiki_page.body = msg
-        wiki_page.save if wiki_page.body_changed? || wiki_page.title_changed?
+        wiki_page.save if wiki_page.body_changed?
       else
         if msg.present?
           self.wiki_page = WikiPage.new(:title => name, :body => msg)