removing broken urllib3 dependency

ref #113

Author: tobixen

calendar_cli/legacy.py

@@ -36,7 +36,6 @@
 import logging
 import sys
 import re
-import urllib3
 from getpass import getpass
 from six import PY3
 
@@ -908,9 +907,6 @@ def main():
 
         caldav_conn = None
 
-    if args.ssl_verify_cert == 'no':
-        urllib3.disable_warnings(urllib3.exceptions.InsecureRequestWarning)
-
     if hasattr(args, 'func'):
         return args.func(caldav_conn, args)
     else: