By Daniel Fienberg Chief Television Critic Saturday Night Live UK had its looooooooooooong-awaited premiere this weekend, and let’s get a couple of obvious jokes out of the way. First of all, congratulations to Saturday Night Live UK on marking the last week nobody will be able to say the show used to be funnier! But also, the writers had 51 years to write jokes for the first episode and this was what they came up with? Hilarious, I know. But given that Tina Fey began her monologue by joking that she’s the youngest person to ever host Saturday Night Live UK, easy punchlines are in play. While it’s thoroughly baffling that it took Lorne Michaels this long to franchise one of American television’s most beloved and lucrative formats, the transplantation of Saturday Night Live for British audiences went off basically without a hitch.…