Peterborough United's 1-0 halftime deficit against Bristol City so upset its coach, Bobby Gould, he didn't bother with a motivational locker-room lecture. ''I am packing up, I can't be associated with that side,'' he announced as he fled the stadium on Wednesday. Gould once the coached the Welsh national team and is famous for guiding Wimbledon to a 1988 FA Cup final upset over Liverpool.