Script Loader: Remove unused `wp-nux` CSS dependency.

Neither `wp-edit-post` nor `wp-editor` use the styles included in the `wp-nux` CSS file. This removes nux as a dependency from the registration of the two files.

Props flixos90, youknowriad, peterwilsoncc.
Fixes #57827.
See #57643.

Built from https://develop.svn.wordpress.org/trunk@55628


git-svn-id: http://core.svn.wordpress.org/trunk@55140 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/script-loader.php

@@ -1663,12 +1663,10 @@ function wp_default_styles( $styles ) {
 			'wp-editor',
 			'wp-edit-blocks',
 			'wp-block-library',
-			'wp-nux',
 		),
 		'editor'               => array(
 			'wp-components',
 			'wp-block-editor',
-			'wp-nux',
 			'wp-reusable-blocks',
 		),
 		'format-library'       => array(),

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.3-alpha-55627';
+$wp_version = '6.3-alpha-55628';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.