From the Time when this Act shall commence and take effect, so much of a certain Act of Parliament passed in the Twelfth Year of the Reign of His late Majesty King George the First, intituled An Act to prevent frivolous and vexatious Arrests, and so much of the said Act of His late Majesty King William the Fourth as relates to the entering an Appearance for the Defendant by the Plaintiff in any Action in any of the said Superior Courts, shall be repealed, except so far as may be necessary to support Proceedings heretofore taken, and no Appearance need be entered by the Plaintiff for the Defendant.