[Patch 2/2] kbuild: clean up scripts/headers.sh

[Amerigo Wang]

'drop' variable is unused.

'ppc' and 'sparc64' directories don't exist in arch/,
and I think their headers can be well exported, so
just remove them.

Signed-off-by: WANG Cong <amwang@xxxxxxxxxx>
Cc: Sam Ravnborg <sam@xxxxxxxxxxxx>

------
diff --git a/scripts/headers.sh b/scripts/headers.sh
index d33426f..0308ecc 100755
--- a/scripts/headers.sh
+++ b/scripts/headers.sh
@@ -15,19 +15,12 @@ do_command()
 	fi
 }
 
-# Do not try this architecture
-drop="generic um ppc sparc64 cris"
-
 archs=$(ls ${srctree}/arch)
 
 for arch in ${archs}; do
 	case ${arch} in
 	um)        # no userspace export
 		;;
-	ppc)       # headers exported by powerpc
-		;;
-	sparc64)   # headers exported by sparc
-		;;
 	cris)      # headers export are known broken
 		;;
 	*)
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