Remove unused python imports (#7859)

scripts/gitlab-branch-cleanup/main.py

@@ -5,8 +5,6 @@ import sys
 from datetime import timedelta, datetime, timezone
 
 
-from pprint import pprint
-
 parser = argparse.ArgumentParser(
     description='Cleanup old branches in a GitLab project')
 parser.add_argument('--api', default='https://gitlab.com/',

scripts/openstack-cleanup/main.py

@@ -4,7 +4,6 @@ import openstack
 import logging
 import datetime
 import time
-from pprint import pprint
 
 DATE_FORMAT = '%Y-%m-%dT%H:%M:%SZ'
 PAUSE_SECONDS = 5