Removed issue assignment validation to avoid validation failure when updating the issue and if the assignee is no longer a member of the project.

git-svn-id: http://redmine.rubyforge.org/svn/trunk@848 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/controllers/issues_controller.rb

@@ -111,7 +111,6 @@ class IssuesController < ApplicationController
       end
     end
     show
-    render :action => 'show'
   end
 
   def change_status

app/models/issue.rb

@@ -71,11 +71,6 @@ class Issue < ActiveRecord::Base
     if start_date && soonest_start && start_date < soonest_start
       errors.add :start_date, :activerecord_error_invalid
     end
-    
-    # validate assignment
-    if assigned_to && !assignable_users.include?(assigned_to)
-      errors.add :assigned_to_id, :activerecord_error_invalid
-    end
   end
   
   def before_create