ARM: dts: imx6qdl-nit6xlite: Remove invalid properties

The "vqmmc-1-8-v" and "ocr-limit" properties are not documented
anywhere, so just remove them.
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx6qdl-nit6xlite.dtsi

@@ -556,8 +556,6 @@ &usdhc2 {
 	non-removable;
 	vmmc-supply = <&reg_3p3v>;
 	vqmmc-supply = <&reg_wlan_vmmc>;
-	vqmmc-1-8-v;
-	ocr-limit = <0x180>;     /* 1.65v - 2.1v */
 	cap-power-off-card;
 	keep-power-in-suspend;
 	status = "okay";