Docs: Corrections and improvements to types used in docblocks for symbols, properties, and filters.

See #53399

Built from https://develop.svn.wordpress.org/trunk@51298


git-svn-id: http://core.svn.wordpress.org/trunk@50907 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/l10n.php

@@ -401,7 +401,6 @@ function _x( $text, $context, $domain = 'default' ) {
  * @param string $context Context information for the translators.
  * @param string $domain  Optional. Text domain. Unique identifier for retrieving translated strings.
  *                        Default 'default'.
- * @return string Translated context string without pipe.
  */
 function _ex( $text, $context, $domain = 'default' ) {
 	echo _x( $text, $context, $domain );