Remove unused clauses.
Remove unused clauses.

mozilla/disco,discoproject/disco,discoproject/disco,scrapinghub/disco,simudream/disco,pombredanne/disco,discoproject/disco,pooya/disco,pombredanne/disco,seabirdzh/disco,ktkt2009/disco,beni55/disco,oldmantaiter/disco,scrapinghub/disco,beni55/disco,oldmantaiter/disco,beni55/disco,pooya/disco,discoproject/disco,ErikDubbelboer/disco,seabirdzh/disco,pombredanne/disco,ErikDubbelboer/disco,ktkt2009/disco,mozilla/disco,seabirdzh/disco,mozilla/disco,ktkt2009/disco,simudream/disco,oldmantaiter/disco,oldmantaiter/disco,pombredanne/disco,mwilliams3/disco,ErikDubbelboer/disco,seabirdzh/disco,ktkt2009/disco,beni55/disco,mwilliams3/disco,mwilliams3/disco,seabirdzh/disco,oldmantaiter/disco,pombredanne/disco,mozilla/disco,ktkt2009/disco,mwilliams3/disco,pavlobaron/disco_playground,pooya/disco,pavlobaron/disco_playground,mwilliams3/disco,ErikDubbelboer/disco,scrapinghub/disco,simudream/disco,scrapinghub/disco,pooya/disco,discoproject/disco,pavlobaron/disco_playground,ErikDubbelboer/disco,beni55/disco,simudream/disco,simudream/disco,pavlobaron/disco_playground