Preview url is read in from environment file.

cms/envs/aws.py

@@ -81,7 +81,7 @@ with open(ENV_ROOT / CONFIG_PREFIX + "env.json") as env_file:
     ENV_TOKENS = json.load(env_file)
 
 LMS_BASE = ENV_TOKENS.get('LMS_BASE')
-MITX_FEATURES['PREVIEW_LMS_BASE'] = ENV_TOKENS.get('PREVIEW_LMS_BASE')
+# Note that MITX_FEATURES['PREVIEW_LMS_BASE'] gets read in from the environment file.
 
 SITE_NAME = ENV_TOKENS['SITE_NAME']
 

cms/envs/common.py

@@ -39,9 +39,8 @@ MITX_FEATURES = {
     'STUDIO_NPS_SURVEY': True,
     'SEGMENT_IO': True,
 
-    # Enable URL that shows information about the status of variuous services
-    'ENABLE_SERVICE_STATUS': False,
-    'PREVIEW_LMS_BASE' : None
+    # Enable URL that shows information about the status of various services
+    'ENABLE_SERVICE_STATUS': False
 }
 ENABLE_JASMINE = False