greybus: arche-platform: arche_pdata is guaranteed to be valid

arche_pdata is guaranteed to be valid in arche_platform_remove().
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Vaibhav Hiremath <vaibhav.hiremath@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

drivers/staging/greybus/arche-platform.c

@@ -179,10 +179,7 @@ static int arche_platform_remove(struct platform_device *pdev)
 	struct arche_platform_drvdata *arche_pdata = platform_get_drvdata(pdev);
 
 	device_for_each_child(&pdev->dev, NULL, arche_remove_child);
-
-	if (arche_pdata)
-		arche_platform_cleanup(arche_pdata);
-
+	arche_platform_cleanup(arche_pdata);
 	platform_set_drvdata(pdev, NULL);
 	unexport_gpios(arche_pdata);