Remove load_test.py which we don't use anywhere.

lms/envs/load_test.py

@@ -1,22 +0,0 @@
-"""
-Settings for load testing.
-"""
-
-# We intentionally define lots of variables that aren't used, and
-# want to import all variables from base settings files
-# pylint: disable=wildcard-import, unused-wildcard-import
-
-
-from six.moves import filter
-
-from .production import *
-
-# Disable CSRF for load testing
-EXCLUDE_CSRF = lambda elem: elem not in [
-    'django.template.context_processors.csrf',
-    'django.middleware.csrf.CsrfViewMiddleware'
-]
-DEFAULT_TEMPLATE_ENGINE['OPTIONS']['context_processors'] = list(filter(
-    EXCLUDE_CSRF, DEFAULT_TEMPLATE_ENGINE['OPTIONS']['context_processors']
-))
-MIDDLEWARE = list(filter(EXCLUDE_CSRF, MIDDLEWARE))