ARM: dts: aspeed: Remove skeleton.dtsi

We don't require it for any of the ASPEED systems.

Reviewed-by: Cédric Le Goater <[e-mail]>
Signed-off-by: Joel Stanley <[e-mail]>

arch/arm/boot/dts/aspeed-g4.dtsi

···
 // SPDX-License-Identifier: GPL-2.0
-#include "skeleton.dtsi"
 #include <dt-bindings/clock/aspeed-clock.h>
 
 / {

arch/arm/boot/dts/aspeed-g5.dtsi

···
 // SPDX-License-Identifier: GPL-2.0
-#include "skeleton.dtsi"
 #include <dt-bindings/clock/aspeed-clock.h>
 
 / {