This should not be needed, we specify ATOMIC_REQUESTS on each DB

There is one DB where we do not want it specified since transactions
on the CSMHE table when we aren't atomic across databases isn't a win.

cms/envs/aws.py

@@ -274,12 +274,6 @@ else:
 
 DATABASES = AUTH_TOKENS['DATABASES']
 
-# Enable automatic transaction management on all databases
-# https://docs.djangoproject.com/en/1.8/topics/db/transactions/#tying-transactions-to-http-requests
-# This needs to be true for all databases
-for database_name in DATABASES:
-    DATABASES[database_name]['ATOMIC_REQUESTS'] = True
-
 MODULESTORE = convert_module_store_setting_if_needed(AUTH_TOKENS.get('MODULESTORE', MODULESTORE))
 CONTENTSTORE = AUTH_TOKENS['CONTENTSTORE']
 DOC_STORE_CONFIG = AUTH_TOKENS['DOC_STORE_CONFIG']

lms/envs/aws.py

@@ -439,12 +439,6 @@ FILE_UPLOAD_STORAGE_PREFIX = ENV_TOKENS.get('FILE_UPLOAD_STORAGE_PREFIX', FILE_U
 # function in util/query.py, which is useful for very large database reads
 DATABASES = AUTH_TOKENS['DATABASES']
 
-# Enable automatic transaction management on all databases
-# https://docs.djangoproject.com/en/1.8/topics/db/transactions/#tying-transactions-to-http-requests
-# This needs to be true for all databases
-for database_name in DATABASES:
-    DATABASES[database_name]['ATOMIC_REQUESTS'] = True
-
 XQUEUE_INTERFACE = AUTH_TOKENS['XQUEUE_INTERFACE']
 
 # Get the MODULESTORE from auth.json, but if it doesn't exist,