drm/exynos: vidi: fix a wrong error return

Fix a wrong error return by dropping an error return.

When vidi driver is remvoed, if ctx->raw_edid isn't same as fake_edid_info
then only what we have to is to free ctx->raw_edid so that driver removing
can work correctly - it's not an error case.
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>

drivers/gpu/drm/exynos/exynos_drm_vidi.c

@@ -469,8 +469,6 @@ static int vidi_remove(struct platform_device *pdev)
 	if (ctx->raw_edid != (struct edid *)fake_edid_info) {
 		kfree(ctx->raw_edid);
 		ctx->raw_edid = NULL;
-
-		return -EINVAL;
 	}
 
 	component_del(&pdev->dev, &vidi_component_ops);