remove old django code from demoproject settings

demoproject/demoproject/settings.py

@@ -147,25 +147,8 @@
     },
 }]
 
-# for Django < 1.8
-TEMPLATE_LOADERS = (
-    'django.template.loaders.filesystem.Loader',
-    'django.template.loaders.app_directories.Loader',
-    'admin_tools.template_loaders.Loader',
-)
-TEMPLATE_CONTEXT_PROCESSORS = (
-    "django.contrib.auth.context_processors.auth",
-    "django.core.context_processors.debug",
-    "django.core.context_processors.i18n",
-    "django.core.context_processors.media",
-    "django.core.context_processors.static",
-    "django.core.context_processors.csrf",
-    "django.core.context_processors.tz",
-    "django.core.context_processors.request",
-)
-
 
-MIDDLEWARE_CLASSES = (
+MIDDLEWARE = (
     'django.middleware.common.CommonMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     'django.middleware.csrf.CsrfViewMiddleware',
@@ -174,7 +157,6 @@
     # Uncomment the next line for simple clickjacking protection:
     # 'django.middleware.clickjacking.XFrameOptionsMiddleware',
 )
-MIDDLEWARE = MIDDLEWARE_CLASSES
 
 
 ROOT_URLCONF = 'demoproject.urls'