Help/About: Remove an outdated help sentence on "My Sites" screen.

Props johnjamesjacoby.
Fixes #37896.
Built from https://develop.svn.wordpress.org/trunk@38474


git-svn-id: http://core.svn.wordpress.org/trunk@38415 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/my-sites.php

@@ -39,8 +39,7 @@ get_current_screen()->add_help_tab( array(
 	'id'      => 'overview',
 	'title'   => __('Overview'),
 	'content' =>
-		'<p>' . __('This screen shows an individual user all of their sites in this network, and also allows that user to set a primary site. They can use the links under each site to visit either the front end or the dashboard for that site.') . '</p>' .
-		'<p>' . __('Up until WordPress version 3.0, what is now called a Multisite Network had to be installed separately as WordPress MU (multi-user).') . '</p>'
+		'<p>' . __('This screen shows an individual user all of their sites in this network, and also allows that user to set a primary site. They can use the links under each site to visit either the front end or the dashboard for that site.') . '</p>'
 ) );
 
 get_current_screen()->set_help_sidebar(

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.7-alpha-38471';
+$wp_version = '4.7-alpha-38474';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.