Coding Standards: Remove superfluous blank lines at the end of various functions.

Note: This is enforced by WPCS 3.0.0.

Follow-up to [56536], [56547].

Props jrf.
See #59161, #58831.

git-svn-id: https://develop.svn.wordpress.org/trunk@56548 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/default-constants.php

@@ -429,5 +429,4 @@ function wp_templating_constants() {
 	if ( ! defined( 'WP_DEFAULT_THEME' ) ) {
 		define( 'WP_DEFAULT_THEME', 'twentytwentythree' );
 	}
-
 }