Input: 88pm860x-ts - remove redundant platform_set_drvdata()

Commit 0998d063 (device-core: Ensure drvdata = NULL when no
driver is bound) removes the need to set driver data field to
NULL.
Signed-off-by: NSachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/touchscreen/88pm860x-ts.c

@@ -299,7 +299,6 @@ static int pm860x_touch_remove(struct platform_device *pdev)
 
 	input_unregister_device(touch->idev);
 	free_irq(touch->irq, touch);
-	platform_set_drvdata(pdev, NULL);
 	kfree(touch);
 	return 0;
 }