Remove user_load_self

The user_load_self method needs reworking. I've recently needed to use it and when I looked at the code (which is very simple) I saw that the method is very amateurishly written.

The main goal of the method is as I see it to get the current logged user. But instead of a user object I get an array(which I passed as an argument , why?) that has only one element the user object on the second position!

The code for the method is this:
function user_load_self($arg) {
$arg[1] = user_load($GLOBALS['user']->uid);
return $arg;
}

The code works fine if you just do this:
function user_load_self() {

return user_load('uid'=>array($GLOBALS['user']->uid));
}

Plus the method is totally undocumented.