fix custom schema deletion in delete_all_tables
fix custom schema deletion in delete_all_tables

mic4ael/indico,DirkHoffmann/indico,pferreir/indico,ThiefMaster/indico,mvidalgarcia/indico,indico/indico,ThiefMaster/indico,OmeGak/indico,mic4ael/indico,OmeGak/indico,indico/indico,pferreir/indico,mic4ael/indico,mvidalgarcia/indico,OmeGak/indico,ThiefMaster/indico,OmeGak/indico,DirkHoffmann/indico,DirkHoffmann/indico,indico/indico,mvidalgarcia/indico,mic4ael/indico,pferreir/indico,mvidalgarcia/indico,indico/indico,DirkHoffmann/indico,ThiefMaster/indico,pferreir/indico