thermal/drivers/tegra: Remove redundant msg in tegra_tsensor_register_channel()

The upper-layer devm_thermal_add_hwmon_sysfs() function can directly
print error information.

Signed-off-by: Yangtao Li <frank.li@vivo.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20230620090732.50025-6-frank.li@vivo.com

Author: bbkzz

drivers/thermal/tegra/tegra30-tsensor.c

@@ -523,8 +523,7 @@ static int tegra_tsensor_register_channel(struct tegra_tsensor *ts,
 		return 0;
 	}
 
-	if (devm_thermal_add_hwmon_sysfs(ts->dev, tsc->tzd))
-		dev_warn(ts->dev, "failed to add hwmon sysfs attributes\n");
+	devm_thermal_add_hwmon_sysfs(ts->dev, tsc->tzd);
 
 	return 0;
 }