A testnet domain has been hijacked - remove.

[grctest]

Describe the bug

beet/src/config/config.js

Line 49 in 01725a3

url: "wss://eu.nodes.testnet.bitshares.ws/"

The bitshares.ws domain has been hijacked, it should be removed from the list of default WS urls for testnet bitshares users.

[abitmore]

#307