Remove trailing whitespace

common/framework/drivers/push/fcm.php

@@ -12,34 +12,34 @@ class FCM extends Base implements \Rhymix\Framework\Drivers\PushInterface
 	 */
 	protected static $_required_config = array('api_key');
 	protected static $_optional_config = array();
-	
+
 	/**
 	 * Get the human-readable name of this Push driver.
-	 * 
+	 *
 	 * @return string
 	 */
 	public static function getName(): string
 	{
 		return 'Google FCM';
 	}
-	
+
 	/**
 	 * Check if the current Push driver is supported on this server.
-	 * 
+	 *
 	 * This method returns true on success and false on failure.
-	 * 
+	 *
 	 * @return bool
 	 */
 	public static function isSupported(): bool
 	{
 		return true;
 	}
-	
+
 	/**
 	 * Send a message.
-	 * 
+	 *
 	 * This method returns true on success and false on failure.
-	 * 
+	 *
 	 * @param object $message
 	 * @param array $tokens
 	 * @return \stdClass