remove redundant render

app/controllers/login_controller.rb

@@ -22,7 +22,6 @@ class LoginController < ApplicationController
   def index
     @title = "Login"
     @referer ||= request.referer
-    render :action => "index"
   end
 
   def login
@@ -102,7 +101,6 @@ class LoginController < ApplicationController
 
   def forgot_password
     @title = "Reset Password"
-    render :action => "forgot_password"
   end
 
   def reset_password

app/controllers/search_controller.rb

@@ -23,7 +23,5 @@ class SearchController < ApplicationController
         @search.search_for_user!(@user)
       end
     end
-
-    render :action => "index"
   end
 end

app/controllers/signup_controller.rb

@@ -40,8 +40,6 @@ class SignupController < ApplicationController
     if !Rails.application.open_signups?
       @new_user.email = @invitation.email
     end
-
-    render :action => "invited"
   end
 
   def signup