Removed unused import

Change-Id: I7f9206a5fdb8794c54f516689b40d5cf82aea04f
Signed-off-by: Sushil Singh <susilsi7@in.ibm.com>
diff --git a/lib/redfish_request.py b/lib/redfish_request.py
index a79e43b..1918a07 100644
--- a/lib/redfish_request.py
+++ b/lib/redfish_request.py
@@ -3,12 +3,7 @@
 import requests
 import urllib.request
 from urllib3.exceptions import InsecureRequestWarning
-from getpass import getpass
-import sys
-import os
-import ssl
 import json
-import random
 import secrets
 import string