Hide URL option for Avatar/Profile Pic if not possible

[Andreas]

Description
If your PHP is set to allow_url_fopen=No, then users can't upload
profile pictures or avatars from URLs - only from their computer.
This hack will hide the URL option if it is not possible to use it.

Details
Files to modify = 1
Templates to modify = 2
Difficulty = Easy

[nexialys]

GREAT

/me did not click install because already have something similar in place, but, GREAT...