Remove non-exist method from ldap security check

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/controllers/application_controller.rb

@@ -183,7 +183,6 @@ class ApplicationController < ActionController::Base
   def ldap_security_check
     if current_user && current_user.ldap_user? && current_user.requires_ldap_check?
       if gitlab_ldap_access.allowed?(current_user)
-        gitlab_ldap_access.update_permissions(current_user)
         current_user.last_credential_check_at = Time.now
         current_user.save
       else