Fill in the `@param` types for the args for functions missing them in `wp-admin/includes/deprecated.php` (pour one out).

See #30224.

Built from https://develop.svn.wordpress.org/trunk@30201


git-svn-id: http://core.svn.wordpress.org/trunk@30201 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Correct all `@return unknown` instances.

See #30224.

Built from https://develop.svn.wordpress.org/trunk@30202


git-svn-id: http://core.svn.wordpress.org/trunk@30202 1a063a9b-81f0-0310-95a4-ce76da25c4cd