net/tstun: remove unnecessary break statement
@@ -93,7 +93,6 @@ func waitInterfaceUp(iface tun.Device, timeout time.Duration, logf logger.Logf)
iw.logf("TUN interface is up after %v", time.Since(t0))
return nil
case <-ticker.C:
- break
}
if iw.isUp() {
