Remove or Hidden or Disable Menu Help in Admin (Back End) Joomla 2.5

Remove menu help in joomla 

I have been confused from many answer from internet about "How to Remove/Diasble/Hidden Help Menu or Toolbar Menu in Admin section or Joomla Backend" but no correct answer from this problem.

But thanks from joomla forum suggested to search Help Submenu in Default_enable.php. and my problem is fixed. Ok, maybe I am Noobs from joomla but i want share everything my knowledge about joomla.

This is solution from Remove or Hidden or Disable Menu Help in Admin (Back End) Joomla 2.5x
1. Go to Administrator/Modules/Mod_Menu/Tmpl/default_enable.php
2. adding comment in line 347 
     Before:  if ($showhelp == 1)
     After Comment : /*  if ($showhelp == 1)
3. adding Comment in line 406
    Before : }
    After Comment: }*/
4. Done. and refresh your admin page