Remove duplicate paragraph about CELERYD_POOL_PUTLOCKS.
Remove duplicate paragraph about CELERYD_POOL_PUTLOCKS.

cbrepo/celery,WoLpH/celery,mitsuhiko/celery,ask/celery,ask/celery,frac/celery,mitsuhiko/celery,WoLpH/celery,cbrepo/celery,frac/celery