arm: dts: mt7629: Remove extra interrupt from timer node

There's only one system timer event interrupt.

Signed-off-by: AngeloGioacchino Del Regno <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Matthias Brugger <[e-mail]>

arch/arm/boot/dts/mt7629.dtsi

···
 			compatible = "mediatek,mt7629-timer",
 				     "mediatek,mt6765-timer";
 			reg = <0x10009000 0x60>;
-			interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>,
-				     <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>;
+			interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
 			clocks = <&clk20m>;
 			clock-names = "clk20m";
 		};