Fixed: issue optimistic locking broken by r3308 (#5280).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@3663 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/issues_controller.rb

@@ -212,12 +212,6 @@ class IssuesController < ApplicationController
         format.xml  { render :xml => @issue.errors, :status => :unprocessable_entity }
       end
     end
-    
-  rescue ActiveRecord::StaleObjectError
-    # Optimistic locking exception
-    flash.now[:error] = l(:notice_locking_conflict)
-    # Remove the previously added attachments if issue was not updated
-    attachments[:files].each(&:destroy) if attachments[:files]
   end
 
   def reply