NEW YORK — A federal judge scolded former President Donald Trump on Friday for waging “futile” and relentless delay tactics in a defamation lawsuit and rejected the former president’s effort to countersue his rape accuser. Judge Lewis Kaplan’s scorching remarks came in a decision turning down Trump’s bid to invoke a New York law against frivolous litigation while fighting E. Jean Carroll’s case against him. The lawsuit by the magazine journalist says Trump lied when he denied her rape accusation. Approving use of the statute would have enabled Trump to sue Carroll for attorneys’ fees if he pre…