TUN-4814: Revert "TUN-4699: Make quick tunnels the default in cloudflared"

This reverts commit 18992efa0c.

metrics/readiness.go

@@ -36,6 +36,8 @@ func (rs *ReadyServer) OnTunnelEvent(c conn.Event) {
 		rs.Lock()
 		rs.isConnected[int(c.Index)] = false
 		rs.Unlock()
+	case conn.SetURL:
+		break
 	default:
 		rs.log.Error().Msgf("Unknown connection event case %v", c)
 	}