I Used to Go Here is presented as a comedy centering on someone who readily confesses, “I'm not good enough to write a good book so I wrote a sh*tty book.” The movie’s concept seems borrowed from a Family Guy episode, and its humor feels carelessly done at best (though what else would you anticipate from producers Andy Samberg, Jorma Tacone, and Akiva Schaffer?). For instance, there's a character called Bradley Co…