Remove docs suggesting that wp_update_user() creates a user if no ID is provided. See #16731, that is incorrect at this time.



git-svn-id: http://core.svn.wordpress.org/trunk@24345 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Remove unused variable. props zeo. fixes #24412.

git-svn-id: http://core.svn.wordpress.org/trunk@24346 1a063a9b-81f0-0310-95a4-ce76da25c4cd