pinctrl: imx: Drop .remove callback for SCU variant

The return callback for SCU variant of the pinctrl drivers does
nothing but returns 0. Remove the return callback from the SCU
driver itself, that has the same effect. No functional change.

Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/drivers/pinctrl/nxp/pinctrl-imx.c b/drivers/pinctrl/nxp/pinctrl-imx.c
index 3f05532..3443cf4 100644
--- a/drivers/pinctrl/nxp/pinctrl-imx.c
+++ b/drivers/pinctrl/nxp/pinctrl-imx.c
@@ -256,9 +256,6 @@
 	struct imx_pinctrl_priv *priv = dev_get_priv(dev);
 	struct imx_pinctrl_soc_info *info = priv->info;
 
-	if (info->flags & IMX8_USE_SCU)
-		return 0;
-
 	if (info->input_sel_base)
 		unmap_sysmem(info->input_sel_base);
 	if (info->base)
diff --git a/drivers/pinctrl/nxp/pinctrl-imx8.c b/drivers/pinctrl/nxp/pinctrl-imx8.c
index 0afae31..85e5e5f 100644
--- a/drivers/pinctrl/nxp/pinctrl-imx8.c
+++ b/drivers/pinctrl/nxp/pinctrl-imx8.c
@@ -38,7 +38,6 @@
 	.id = UCLASS_PINCTRL,
 	.of_match = of_match_ptr(imx8_pinctrl_match),
 	.probe = imx8_pinctrl_probe,
-	.remove = imx_pinctrl_remove,
 	.priv_auto	= sizeof(struct imx_pinctrl_priv),
 	.ops = &imx8_pinctrl_ops,
 	.flags = DM_FLAG_PRE_RELOC,