fix: remove unused imports

ietf/doc/lastcall.py

@@ -1,7 +1,5 @@
 # helpers for handling last calls on Internet Drafts
 
-import datetime
-
 from django.db.models import Q
 
 from ietf.doc.models import Document, State, DocEvent, LastCallDocEvent, WriteupDocEvent

ietf/doc/views_doc.py

@@ -34,7 +34,6 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
-import datetime
 import glob
 import io
 import json

ietf/group/forms.py

@@ -3,7 +3,6 @@
 
 
 # Stdlib imports
-import datetime
 import re
 
 import debug      # pyflakes:ignore

ietf/ietfauth/utils.py

@@ -4,8 +4,6 @@
 
 # various authentication and authorization utilities
 
-import datetime
-
 import oidc_provider.lib.claims
 from oidc_provider.models import Client as ClientRecord
 

ietf/liaisons/mails.py

@@ -2,8 +2,6 @@
 # -*- coding: utf-8 -*-
 
 
-import datetime
-
 from django.conf import settings
 from django.template.loader import render_to_string
 

ietf/person/templatetags/person_filters.py

@@ -1,7 +1,5 @@
 # Copyright The IETF Trust 2017-2020, All Rights Reserved
 
-import datetime
-
 from django import template
 
 import debug  # pyflakes:ignore

ietf/person/views.py

@@ -2,7 +2,6 @@
 # -*- coding: utf-8 -*-
 
 
-import datetime
 from io import StringIO, BytesIO
 from PIL import Image
 

ietf/submit/mail.py

@@ -4,7 +4,6 @@
 
 import re
 import email
-import datetime
 import base64
 import os
 import pyzmail