I18N: Remove unused `$start_of_week` property from `WP_Locale`.

Missed in [35685], see #28344.

Props birgire, tonybogdanov.
Fixes #43344.
Built from https://develop.svn.wordpress.org/trunk@42718


git-svn-id: http://core.svn.wordpress.org/trunk@42546 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/class-wp-locale.php

@@ -43,14 +43,6 @@ class WP_Locale {
 	 */
 	public $weekday_abbrev;
 
-	/**
-	 * Stores the default start of the week.
-	 *
-	 * @since 4.4.0
-	 * @var string
-	 */
-	public $start_of_week;
-
 	/**
 	 * Stores the translated strings for the full month names.
 	 *

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.0-alpha-42717';
+$wp_version = '5.0-alpha-42718';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.