Remove 'simple-history'

- Might re-add it later on

InvenTree/InvenTree/settings.py

@@ -57,7 +57,6 @@ INSTALLED_APPS = [
     # Third part add-ons
     'django_filters',
     'rest_framework',
-    'simple_history',
     'crispy_forms',
     'import_export',
     'django_cleanup',
@@ -72,7 +71,6 @@ MIDDLEWARE = [
     'django.contrib.auth.middleware.AuthenticationMiddleware',
     'django.contrib.messages.middleware.MessageMiddleware',
     'django.middleware.clickjacking.XFrameOptionsMiddleware',
-    'simple_history.middleware.HistoryRequestMiddleware',
     'InvenTree.middleware.AuthRequiredMiddleware'
 ]