Sydney Jaynes led the team with 14 points against St. John’s. Photo by Andrew Buckley. DAVID JACOBS | SPORTS CO-EDITOR | drjacobs@butler.edu  The women’s basketball team went one-and-done in the Big East conference tournament at the Mohegan Sun Arena, falling 66-50 against St. John’s.  Butler came out hot to start the game, leading 16-10 after…