Remove encoding header

Fixes #2996

InvenTree/order/api.py

@@ -2,9 +2,6 @@
 JSON API for the Order app
 """
 
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 from django.urls import include, path, re_path
 from django.db.models import Q, F
 

InvenTree/order/forms.py

@@ -2,9 +2,6 @@
 Django Forms for interacting with Order objects
 """
 
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 from django import forms
 from django.utils.translation import gettext_lazy as _
 

InvenTree/order/serializers.py

@@ -2,9 +2,6 @@
 JSON serializers for the Order API
 """
 
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 from decimal import Decimal
 
 from django.utils.translation import gettext_lazy as _

InvenTree/order/test_views.py

@@ -1,8 +1,5 @@
 """ Unit tests for Order views (see views.py) """
 
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 from django.test import TestCase
 from django.urls import reverse
 from django.contrib.auth import get_user_model

InvenTree/order/views.py

@@ -2,9 +2,6 @@
 Django views for interacting with Order app
 """
 
-# -*- coding: utf-8 -*-
-from __future__ import unicode_literals
-
 from django.db.utils import IntegrityError
 from django.http.response import JsonResponse
 from django.shortcuts import get_object_or_404