You can take the girl out of the high jump but not high jump out of the girl. So it goes for world champion Martha Mendenhall of Tacoma, who may be retired from competition but still in the game. Big time. Her latest effort is coaching the well-named “Flop House” High Jump Club, which invites masters athletes. “Only one [masters member] so far and he is from Oregon,” Martha says. “Tacoma doesn’t have a lot of, if any, masters high jumpers that I know of. There are a few in the Seattle area and I’m hoping as my “Flop House”…