scripts: Remove wrong bz package

Package in the requirements-run-test.txt file, bz,
is not package enabling bz2 support.
It is a security concern and must be removed.

(cherry picked from commit cbe5d98)

Original-Signed-off-by: Lukasz Mrugala <lukaszx.mrugala@intel.com>
GitOrigin-RevId: cbe5d98
Cr-Build-Id: 8736011314115091969
Cr-Build-Url: https://cr-buildbucket.appspot.com/build/8736011314115091969
Copybot-Job-Name: zephyr-main-copybot-downstream
Change-Id: I10d6d642bf47415bf8ee4baf42b2754c729505a2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/zephyr/+/5881527
Reviewed-by: Fabio Baltieri <fabiobaltieri@google.com>
Commit-Queue: Fabio Baltieri <fabiobaltieri@google.com>
Tested-by: Fabio Baltieri <fabiobaltieri@google.com>
Tested-by: ChromeOS Prod (Robot) <chromeos-ci-prod@chromeos-bot.iam.gserviceaccount.com>

scripts/requirements-run-test.txt

@@ -15,8 +15,5 @@ cbor>=1.0.0
 # use for twister
 psutil
 
-# Artifacts package creation
-bz
-
 # used for CAN <=> host testing
 python-can>=4.3.0