scripts: headers_install.sh: Remove config leak ignore machinery

There are no entries left to ignore and none should be added again.

Remove the now unused logic.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

scripts/headers_install.sh

diff --git a/scripts/headers_install.sh b/scripts/headers_install.sh
index 1301ba68..9c15e74 100755
--- a/scripts/headers_install.sh
+++ b/scripts/headers_install.sh
@@ -64,30 +64,10 @@
 	d
 ' $OUTFILE)
 
-# The entries in the following list do not result in an error.
-# Please do not add a new entry. This list is only for existing ones.
-# The list will be reduced gradually, and deleted eventually. (hopefully)
-#
-# The format is <file-name>:<CONFIG-option> in each line.
-config_leak_ignores="
-"
-
 for c in $configs
 do
-	leak_error=1
-
-	for ignore in $config_leak_ignores
-	do
-		if echo "$INFILE:$c" | grep -q "$ignore$"; then
-			leak_error=
-			break
-		fi
-	done
-
-	if [ "$leak_error" = 1 ]; then
-		echo "error: $INFILE: leak $c to user-space" >&2
-		exit 1
-	fi
+	echo "error: $INFILE: leak $c to user-space" >&2
+	exit 1
 done
 
 rm -f $TMPFILE