Remove old dropdb link
Remove old dropdb link

pudo/spendb,johnjohndoe/spendb,CivicVision/datahub,pudo/spendb,spendb/spendb,spendb/spendb,nathanhilbert/FPA_Core,spendb/spendb,CivicVision/datahub,USStateDept/FPA_Core,johnjohndoe/spendb,USStateDept/FPA_Core,USStateDept/FPA_Core,pudo/spendb,nathanhilbert/FPA_Core,openspending/spendb,nathanhilbert/FPA_Core,openspending/spendb,openspending/spendb,CivicVision/datahub,johnjohndoe/spendb