Dashboard: Properly localize data for events

Moves localization to script-loader and removes dependency for two strings.

Props dd32, iandunn.
See #40702.

Built from https://develop.svn.wordpress.org/trunk@40776


git-svn-id: http://core.svn.wordpress.org/trunk@40634 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/network/index.php

@@ -54,7 +54,6 @@ get_current_screen()->set_help_sidebar(
 wp_dashboard_setup();
 
 wp_enqueue_script( 'dashboard' );
-wp_localize_script( 'dashboard', 'communityEventsData', wp_get_community_events_script_data() );
 wp_enqueue_script( 'plugin-install' );
 add_thickbox();