Jonah Hill and Channing Tatum won’t be there. But 51 law students will be. And really, what more do you need? On Thursday and Friday, the University of Chicago Law School will host its annual musical. This installment is a parody of the film “21 Jump Street,” titled “1111 E. 60th Street,” referring to the school’s address. Cast members are maintaining the musical’s tradition of not releasing plot details, though director and third-year student Erica Jaffe said the show …