Delete admin_created_user_subject() rather than deprecate

As it was never used as anything more than a callback to a filter before the MU merge, and is only available in user-new.php in multisite, it is safe to remove this function entirely.

Fixes #29915

Built from https://develop.svn.wordpress.org/trunk@30176


git-svn-id: http://core.svn.wordpress.org/trunk@30176 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/ms-deprecated.php

@@ -342,19 +342,4 @@ function get_blogaddress_by_domain( $domain, $path ) {
 		}
 	}
 	return esc_url_raw( $url );
-}
-
-/**
- * Supply a subject for a site invitation email. Added via filter in MU.
- * Never used after the WPMU merge.
- *
- * @since MU
- * @deprecated 4.1.0
- *
- * @return string
- */
-function admin_created_user_subject() {
-	_deprecated_function( __FUNCTION__, '4.1' );
-
-	return sprintf( __( '[%s] Your site invite' ), get_bloginfo( 'name' ) );
 }

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.1-alpha-30175';
+$wp_version = '4.1-alpha-30176';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.