Let us make no bones about it — shady Halloween hedonists are having a jab at people who are refusing to get the jab. Armed with skeleton props, gravestones and sassy signage, professional-vaxxers are finding into the spooky vacation spirit by decorating the entrance lawns of their households in a macabre motif aimed at mocking anti-vaxxers. “I did my personal analysis,” reads a cardboard gravestone that’s stationed next to a skull. Behind the freaky fixture is a makeshift headstone in the shape of a cross that suggests, “DEAD. But not a SHEEP!” The cheeky exhibit is a gag motivated by the ongoing hesitancy some come to feel about the basic…