Media: Deprecate unused method `WP_Media_List_Table::column_desc()`.

This changeset formally deprecates the `column_desc()` method from `WP_Media_List_Table`, as it was never used anywhere in core.

Props iandunn, JeffMatson, antpb, costdev, audrasjb.
Fixes #39710.

Built from https://develop.svn.wordpress.org/trunk@55159


git-svn-id: http://core.svn.wordpress.org/trunk@54692 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/includes/class-wp-media-list-table.php

@@ -497,11 +497,12 @@ class WP_Media_List_Table extends WP_List_Table {
 	 * Handles the description column output.
 	 *
 	 * @since 4.3.0
+	 * @deprecated 6.2.0
 	 *
 	 * @param WP_Post $post The current WP_Post object.
 	 */
 	public function column_desc( $post ) {
-		echo has_excerpt() ? $post->post_excerpt : '';
+		_deprecated_function( __METHOD__, '6.2.0' );
 	}
 
 	/**

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.2-alpha-55158';
+$wp_version = '6.2-alpha-55159';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.