Normalize $reassign in wp_delete_user() to ensure the hooks receive consistent values.

fixes #23057.


git-svn-id: https://develop.svn.wordpress.org/trunk@27466 602fd350-edb4-49c9-b593-d223f7449a82
Remove lame debugging. see #23057.


git-svn-id: https://develop.svn.wordpress.org/trunk@27467 602fd350-edb4-49c9-b593-d223f7449a82