Cleanup: moved HasProvider() out of the Factory

sources/application/UI/Base/Component/PopoverMenu/NewsroomMenu/NewsroomMenuFactory.php

@@ -49,16 +49,6 @@ class NewsroomMenuFactory
 		return $oMenu;
 	}
 
-	/**
-	 * Check if there is any Newsroom provider configured
-	 * @return boolean
-	 */	
-	public static function HasProviders()
-	{
-		$aProviders = MetaModel::EnumPlugins('iNewsroomProvider');
-		return count($aProviders) > 0;
-	}
-
 	/**
 	 * Prepare parameters for the newsroom JS widget
 	 *