Only show shippable countries once
Only show shippable countries once

Closes #1214

rmisio/OpenBazaar-Client,OpenBazaar/OpenBazaar-Client,mariodian/OpenBazaar-Client,blockchainProject/blockchain-project-client,programmerpeter/OpenBazaar-Client,OpenBazaar/OpenBazaar-Client,jjeffryes/OpenBazaar-Client,rmisio/OpenBazaar-Client,jjeffryes/OpenBazaar-Client,blockchainProject/blockchain-project-client,programmerpeter/OpenBazaar-Client,mariodian/OpenBazaar-Client