devtool: build-sdk remove unused imports

These imports are not needed.

(From OE-Core rev: c0e9e35843004aaac5bdcc12fa1f6bf8d2da0abb)

Signed-off-by: Adrian Freihofer <adrian.freihofer@siemens.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

scripts/lib/devtool/build_sdk.py

@@ -5,14 +5,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 #
 
-import os
-import subprocess
 import logging
-import glob
-import shutil
-import errno
-import sys
-import tempfile
 from devtool import DevtoolError
 from devtool import build_image