Remove choose avatar button in options

[Kuipo]

I am curently using an offsite avatar hack: https://vborg.vbsupport.ru/showthrea...threadid=39296

it works wonders... but if someone goes to edit their profile, it shows a box to put in a URL for their picture. But when a person going to edit options, they can go to the bottom and select change avatar, and it says "thanks for updating your profile" and goes to an error page:
Fatal error: Cannot redeclare stripslashesarray() (previously declared in /home/virtual/site1/fst/var/www/html/vBulletin/global.php:31) in /home/virtual/site1/fst/var/www/html/vBulletin/global.php on line 31

is there a way that i can either make the url be editable there (harder) or just remove that part... make it not show up at all (should be easy i would think)