ARM: shmobile: Remove unused r8a73a4 GIC CPU interface DT bits

Remove unused GIC CPU interface DT bits for r8a73a4.
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a73a4.dtsi

@@ -37,12 +37,6 @@ gic: interrupt-controller@f1001000 {
 			<0 0xf1004000 0 0x2000>,
 			<0 0xf1006000 0 0x2000>;
 		interrupts = <1 9 0xf04>;
-
-		gic-cpuif@4 {
-			compatible = "arm,gic-cpuif";
-			cpuif-id = <4>;
-			cpu = <&cpu0>;
-		};
 	};
 
 	timer {