ramips: tplink,archer-c2-v1: cleaning up nvmem-cells definitions

Remove nvmem-cells definitions due to duplication
in mt7620a_tplink_8m.dtsi

Signed-off-by: Mieczyslaw Nalewaj <[email protected]>

target/linux/ramips/dts/mt7620a_tplink_archer-c2-v1.dts

@@ -71,9 +71,6 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&rgmii1_pins &rgmii2_pins &mdio_pins>;
 
-	nvmem-cells = <&macaddr_rom_f100 0>;
-	nvmem-cell-names = "mac-address";
-
 	port@5 {
 		status = "okay";
 		mediatek,fixed-link = <1000 1 1 1>;