message: remove isBinance build check for defaultRoomName
diff: @@ -76,8 +76,8 @@ class SwapRoom extends ServiceInterface {
  const defaultRoomName = this.app.env.isTest ? 'tests.swap.online'
  : this.app.isMainNet()
  - ? (this.app.env.isBinance) ? 'bsc.swap.online' : 'swap.online'
  - : (this.app.env.isBinance) ? 'bsc-testnet.swap.online' : 'testnet-tt.swap.online'
  + ? 'swap.online'
  + : 'testnet-tt.swap.online'
  this.roomName = this._config.roomName || defaultRoomName
  