remove some unused/obsolete config settings
remove some unused/obsolete config settings

PerilousApricot/bigcouch,bittorrent/bigcouch,benoitc/bigcouch,benoitc/bigcouch,cloudant/bigcouch,PerilousApricot/bigcouch,cloudant/bigcouch,georgemarshall/bigcouch,PerilousApricot/bigcouch,KlausTrainer/bigcouch,Gussy/bigcouch,KlausTrainer/bigcouch,davidcoallier/bigcouch,georgemarshall/bigcouch,linearregression/bigcouch,andrejb/cloudant_bigcouch,breezjw/bigcouch,linearregression/bigcouch,breezjw/bigcouch,KlausTrainer/bigcouch,breezjw/bigcouch,kofron/bigcouch,bittorrent/bigcouch,davidcoallier/bigcouch,KlausTrainer/bigcouch,cloudant/bigcouch,Asquera/bigcouch,davidcoallier/bigcouch,PerilousApricot/bigcouch,kofron/bigcouch,PerilousApricot/bigcouch,andrejb/cloudant_bigcouch,kofron/bigcouch,andrejb/cloudant_bigcouch,PerilousApricot/bigcouch,davidcoallier/bigcouch,cloudant/bigcouch,andrejb/cloudant_bigcouch,Asquera/bigcouch,Gussy/bigcouch,andrejb/cloudant_bigcouch,Gussy/bigcouch,breezjw/bigcouch,linearregression/bigcouch,benoitc/bigcouch,cloudant/bigcouch,Asquera/bigcouch,georgemarshall/bigcouch,cloudant/bigcouch,georgemarshall/bigcouch,kofron/bigcouch,benoitc/bigcouch,bittorrent/bigcouch,linearregression/bigcouch,benoitc/bigcouch,bittorrent/bigcouch,davidcoallier/bigcouch,linearregression/bigcouch,Asquera/bigcouch,breezjw/bigcouch,KlausTrainer/bigcouch,Asquera/bigcouch,kofron/bigcouch,kofron/bigcouch,Asquera/bigcouch,andrejb/cloudant_bigcouch,benoitc/bigcouch,Gussy/bigcouch,breezjw/bigcouch,linearregression/bigcouch,bittorrent/bigcouch,davidcoallier/bigcouch,KlausTrainer/bigcouch,Gussy/bigcouch,georgemarshall/bigcouch,cloudant/bigcouch,linearregression/bigcouch,georgemarshall/bigcouch,bittorrent/bigcouch,Gussy/bigcouch,andrejb/cloudant_bigcouch