Remove unnecessary TEMPLATE_LOADERS setting

The TEMPLATE_LOADERS are set to the default value and thus can safely
be removed. This clears a warning that was raised on startup.
https://docs.djangoproject.com/en/1.11/ref/templates/upgrading/#upgrading-templates-to-django-1-8

Issue: HIC-165
Change-Id: I40d940669dfffbe619e15aad43170ef03c55a973
diff --git a/hiccup/settings.py b/hiccup/settings.py
index a401d04..07e2415 100644
--- a/hiccup/settings.py
+++ b/hiccup/settings.py
@@ -70,11 +70,6 @@
 
 ROOT_URLCONF = "hiccup.urls"
 
-TEMPLATE_LOADERS = (
-    "django.template.loaders.filesystem.Loader",
-    "django.template.loaders.app_directories.Loader",
-)
-
 TEMPLATES = [
     {
         "BACKEND": "django.template.backends.django.DjangoTemplates",