Drop the fatal flag now that every failed check is fatal

ts.go

@@ -40,7 +40,6 @@ func checkTimestamping(fd int, ifname string) checkResult {
 	var have hwtstampConfig
 	if err := hwtstampCall(unix.SIOCGHWTSTAMP, &have); err != nil {
 		res.err = err
-		res.fatal = true
 		return res
 	}
 	if have.txType == hwtstampTxOn && have.rxFilter == hwtstampFilterAll {
@@ -54,12 +53,10 @@ func checkTimestamping(fd int, ifname string) checkResult {
 	if err := hwtstampCall(unix.SIOCSHWTSTAMP, &want); err != nil {
 		res.err = err
 		res.state = "could not set"
-		res.fatal = true
 		return res
 	}
 	if want.txType != hwtstampTxOn || want.rxFilter != hwtstampFilterAll {
 		res.err = fmt.Errorf("driver applied %s instead", desc(want))
-		res.fatal = true
 		return res
 	}
 	res.fixed = true