Docs: Document that `allowed_tags()` is no longer used in core as of WordPress 4.4.

Previously, it was used in core and older bundled themes to display the list of allowed tags in the comment form.

Follow-up to [709], [2009], [2012], [2032], [2040], [13030], [14365], [32858], [34316], [34351].

See #55646.
Built from https://develop.svn.wordpress.org/trunk@53703


git-svn-id: http://core.svn.wordpress.org/trunk@53262 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/general-template.php

@@ -2462,6 +2462,7 @@ function delete_get_calendar_cache() {
  * attributes are supported. As well as any plugins which want to display it.
  *
  * @since 1.0.1
+ * @since 4.4.0 No longer used in core.
  *
  * @global array $allowedtags
  *

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '6.1-alpha-53702';
+$wp_version = '6.1-alpha-53703';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.