thermal/drivers/imx: Remove redundant msg in imx8mm_tmu_probe() and imx_sc_thermal_probe()

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/20230620090732.50025-4-frank.li@vivo.com

drivers/thermal/imx8mm_thermal.c

@@ -343,8 +343,7 @@ static int imx8mm_tmu_probe(struct platform_device *pdev)
 		}
 		tmu->sensors[i].hw_id = i;
 
-		if (devm_thermal_add_hwmon_sysfs(&pdev->dev, tmu->sensors[i].tzd))
-			dev_warn(&pdev->dev, "failed to add hwmon sysfs attributes\n");
+		devm_thermal_add_hwmon_sysfs(&pdev->dev, tmu->sensors[i].tzd);
 	}
 
 	platform_set_drvdata(pdev, tmu);

drivers/thermal/imx_sc_thermal.c

@@ -116,8 +116,7 @@ static int imx_sc_thermal_probe(struct platform_device *pdev)
 			return ret;
 		}
 
-		if (devm_thermal_add_hwmon_sysfs(&pdev->dev, sensor->tzd))
-			dev_warn(&pdev->dev, "failed to add hwmon sysfs attributes\n");
+		devm_thermal_add_hwmon_sysfs(&pdev->dev, sensor->tzd);
 	}
 
 	return 0;