NEW YORK — Goodbye, gorgeous. Jane Lynch will be taking her final bow as Mrs. Brice in the Broadway production of “Funny Girl” Sunday, nearly a month earlier than planned. The “Glee” alum, 62, was previously slated to leave the show on Sept. 4, but will now step away Sunday due to a previously planned vacation starting Aug. 15, according to the production. She was initially scheduled to return to the theater on Aug. 23 and leave for the Creative Arts Emmy Awards on Sept. 1. “With my long-planned vacation on the books and then the Creative Arts Emmy Awards ceremony … I will take my final curt…