update listings collection url
update listings collection url

jjeffryes/openbazaar-desktop,jashot7/openbazaar-desktop,OpenBazaar/openbazaar-desktop,OpenBazaar/openbazaar-desktop,jjeffryes/openbazaar-desktop,OpenBazaar/openbazaar-desktop,jjeffryes/openbazaar-desktop,jashot7/openbazaar-desktop,jashot7/openbazaar-desktop