I18N: Use the actual placeholder instead of a number in translator comments if the corresponding string does not use numbered placeholders.

Adjust some newly introduced strings to remove unnecessary numbered placeholders for consistency.

Follow-up to [42827].

See #51800.

git-svn-id: https://develop.svn.wordpress.org/trunk@50234 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/dashboard.php

@@ -1403,8 +1403,8 @@ function wp_print_community_events_templates() {
 			<li class="event-none">
 				<?php
 				printf(
-					/* translators: 1: Localized meetup organization documentation URL. */
-					__( 'Want more events? <a href="%1$s">Help organize the next one</a>!' ),
+					/* translators: %s: Localized meetup organization documentation URL. */
+					__( 'Want more events? <a href="%s">Help organize the next one</a>!' ),
 					__( 'https://make.wordpress.org/community/organize-event-landing-page/' )
 				);
 				?>