[media] v4l: ti-vpe: Remove casting the return value which is a void pointer

Casting the return value which is a void pointer is redundant.
The conversion from void pointer to any other pointer type is
guaranteed by the C programming language.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/platform/ti-vpe/vpe.c

@@ -2344,8 +2344,7 @@ v4l2_dev_unreg:
 
 static int vpe_remove(struct platform_device *pdev)
 {
-	struct vpe_dev *dev =
-		(struct vpe_dev *) platform_get_drvdata(pdev);
+	struct vpe_dev *dev = platform_get_drvdata(pdev);
 
 	v4l2_info(&dev->v4l2_dev, "Removing " VPE_MODULE_NAME);