Removed unused imports

- Legacy-Id: 14670

ietf/iesg/models.py

@@ -36,7 +36,6 @@ import datetime
 
 from django.db import models
 
-from ietf.utils.models import ForeignKey, OneToOneField
 
 class TelechatAgendaItem(models.Model):
     TYPE_CHOICES = (

ietf/liaisons/forms.py

@@ -12,9 +12,6 @@ from django.forms.utils import ErrorList
 from django.db.models import Q
 #from django.forms.widgets import RadioFieldRenderer
 from django.core.validators import validate_email, ValidationError
-from django.utils.html import format_html
-from django.utils.encoding import force_text
-from django.utils.safestring import mark_safe
 
 import debug                            # pyflakes:ignore
 

ietf/mailtrigger/models.py

@@ -10,7 +10,6 @@ from ietf.person.models import Email
 import debug                            # pyflakes:ignore
 
 from ietf.group.models import Role
-from ietf.utils.models import ForeignKey, OneToOneField
 
 def clean_duplicates(addrlist):
     address_info = {}