Remove unused import

hardware_provisioning/admin.py

@@ -6,7 +6,6 @@ from __future__ import unicode_literals
 from django.contrib import admin
 from django.contrib.auth import get_user_model
 from django.forms import ModelChoiceField
-from django.utils import timezone
 import autocomplete_light
 
 from .models import ItemType, Item, Loan, Storage