Ex-New York Mets flamethrower Noah Syndergaard delivered some chin music to his former club Tuesday – advising the last-place squad to “stop hanging out with socialist mayors” as he leaned into the “Curse of the Mambino.” The retired MLB pitcher’s statement came during an interview with Outkick talk show host Tomi Lahren when she asked how the Amazins can turn it around. The Post’s front cover on the “Curse of the Mambino” that afflicted the Mets. “Stop hanging out with socialist mayors I guess, probably,” Syndergaard said before Lahren asked if he believed Mayor Zohran Mamdani “cursed” the Mets when he embraced Mr. Met and Mrs. Met near the start of the season. “Something like that,” he replied. “I mean, I hate saying it but at the end of the day the Mets are gonna Met and it’s just, I think I’m allowed to kind of say that cause I’ve bled orange and blue for, I don’t know, eight years, made it to the World Series with them.…