treewide [Kconfig]: Remove useless comment

Change-Id: I3dafffa61f4fe6089fd11ef6579626aff8088df5
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50185
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/northbridge/intel/gm45/Kconfig b/src/northbridge/intel/gm45/Kconfig
index 256b088..58942f0 100644
--- a/src/northbridge/intel/gm45/Kconfig
+++ b/src/northbridge/intel/gm45/Kconfig
@@ -5,7 +5,7 @@
 
 if NORTHBRIDGE_INTEL_GM45
 
-config NORTHBRIDGE_SPECIFIC_OPTIONS # dummy
+config NORTHBRIDGE_SPECIFIC_OPTIONS
 	def_bool y
 	select HAVE_DEBUG_RAM_SETUP
 	select VGA