outside_chroot_common.sh: drop

Nothing seems to be referring to this.

BUG=None
TEST=CQ passes

Change-Id: I2b03d65ee2d921eae278fa621d8efc21f14d13eb
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crostestutils/+/1896870
Reviewed-by: Achuith Bhandarkar <achuith@chromium.org>
Tested-by: Mike Frysinger <vapier@chromium.org>
diff --git a/outside_chroot_common.sh b/outside_chroot_common.sh
deleted file mode 100644
index 4d60ea3..0000000
--- a/outside_chroot_common.sh
+++ /dev/null
@@ -1,17 +0,0 @@
-#!/bin/bash
-
-# Copyright (c) 2011 Chromium OS Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# Sets script_root relative to this directory.
-
-# From platform/dev/host.
-if [ -f /etc/debian_chroot ]; then
-  echo "Must be run from outside the chroot." 2> /dev/null
-  exit 1
-fi
-
-CROSTESTUTILS_DIR="$(dirname "$(readlink -f "$0")")"
-SCRIPT_ROOT="${CROSTESTUTILS_DIR}/../../scripts"
-