char: xilinx_hwicap: Drop if block with always false condition

hwicap_drv_remove() is only called for a device after hwicap_drv_probe()
returned 0. In that case dev_set_drvdata() was called (by hwicap_setup())
with a non-NULL value and so dev_get_drvdata() won't return NULL.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Michal Simek <michal.simek@amd.com>
Message-ID: <20230605092047.50472-2-u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Author: Uwe Kleine-König

drivers/char/xilinx_hwicap/xilinx_hwicap.c

@@ -810,8 +810,6 @@ static int hwicap_drv_remove(struct platform_device *pdev)
 	struct hwicap_drvdata *drvdata;
 
 	drvdata = dev_get_drvdata(dev);
-	if (!drvdata)
-		return 0;
 
 	device_destroy(icap_class, drvdata->devt);
 	cdev_del(&drvdata->cdev);