Revert "util/lint: Add test for documentation in util dirs"

This reverts commit 15e379aaf334e7931710b4208ccedf2f9ee44b0d.

It triggers on directories that only contain artifacts and no
checked in code. As this happens a lot when switching branches,
it makes it impossible to commit new code.

Change-Id: I38a86c8a5d5dc14ca5f6cba789bcb8c0fcaefb0b
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/50354
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

util/lint/lint-stable-025-description-md

@@ -1,16 +0,0 @@
-#!/bin/sh
-# SPDX-License-Identifier: GPL-2.0-or-later
-#
-# DESCR: Check that every utility has a description
-
-LC_ALL=C export LC_ALL
-FAIL=0
-
-for i in util/*/; do
-    if [ ! -r "$i/description.md" ]; then
-      echo "  Failure: util directory $i missing description.md file."
-      FAIL=1
-    fi
-done
-
-exit $FAIL