mb/**/dsdt.asl: Remove "Some generic macros" comment

It provides no useful information, so it might as well vanish.

Change-Id: I0df6f4639a16058486c2e2d40fe4067d65670731
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37856
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-by: Wim Vervoorn <wvervoorn@eltan.com>
Reviewed-by: Werner Zeh <werner.zeh@siemens.com>

src/mainboard/getac/p470/dsdt.asl

@@ -29,7 +29,6 @@ DefinitionBlock(
 {
 	#include <southbridge/intel/common/acpi/platform.asl>
 
-	// Some generic macros
 	#include "acpi/platform.asl"
 
 	// global NVS and variables