It’s not just the guns, almost every aspect of the cartoon series means it deserves to be canceled.“Looney Tunes†is back, this time on HBO Max, but with one major difference from the original series. In this iteration, when Elmer Fudd goes after Bugs Bunny, he won’t be armed with a rifle, but a scythe. Because if there’s one thing that doesn’t suggest a violent and bloody demise, it’s a scythe.In explaining the change, executive producer Peter Browngardt said, “We’re not doing guns. But we can do cartoony violence — TNT, the Acme stuff. All that was kind of grandfathered...