Remove failing unit test after [30090].

Fixes #30194.


git-svn-id: https://develop.svn.wordpress.org/trunk@30160 602fd350-edb4-49c9-b593-d223f7449a82
In `gallery_shortcode()`, when the `link` attribute is equal to `file`, make sure to pass `$attr` as the 6th (!) argument, not 5th, to `wp_get_attachment_link()`.

Props bradyvercher.
Fixes #27402.


git-svn-id: https://develop.svn.wordpress.org/trunk@30161 602fd350-edb4-49c9-b593-d223f7449a82
In `_wp_json_convert_string()`, when `$use_mb` is `false`, perhaps pass a variable that actually exists to `wp_check_invalid_utf8()`.

Introduced in [30055].
See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30162 602fd350-edb4-49c9-b593-d223f7449a82
In `WP_Meta_Query->get_sql_for_clause()`, the empty initialization of `$where` is dead code and can be removed.

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30163 602fd350-edb4-49c9-b593-d223f7449a82
In `customize.php`, check that `$autofocus` is an `array` after running `wp_unslash()` instead of before. This is admittedly to skip a traversable hint in Scrutinizer.

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30164 602fd350-edb4-49c9-b593-d223f7449a82
Make the docs type for `return` in `wpmu_create_user()` more specific.

See #30224.


git-svn-id: https://develop.svn.wordpress.org/trunk@30165 602fd350-edb4-49c9-b593-d223f7449a82