Removing SEGMENT_KEY from configuration for ecommerce application

CHANGELOG.md

@@ -203,7 +203,7 @@
 - Role: mongo_3_0
   - Changed MONGO_STORAGE_ENGINE to default to wiredTiger which is the default in 3.2 and 3.4 and what edX suggests be used even on 3.0.
     If you have a mmapv1 3.0 install, override MONGO_STORAGE_ENGINE to be mmapv1 which was the old default.
-  - Support parsing the replset JSON in 3.2 and 3.0 
+  - Support parsing the replset JSON in 3.2 and 3.0
 
 - Role: xqueue
   - Added `EDXAPP_CELERY_BROKER_USE_SSL` to allow configuring celery to use TLS.
@@ -214,3 +214,6 @@
 
 - Role: ecommerce
   - Added `ECOMMERCE_ENTERPRISE_URL` for the `enterprise` API endpoint exposed by a new service `edx-enterprise` (currently hosted by `LMS`), which defaults to the existing setting `ECOMMERCE_LMS_URL_ROOT`.
+
+- Role: ecommerce
+  - Removed `SEGMENT_KEY` which is no longer used.  Segment key is now defined in DB configuration. (https://github.com/edx/ecommerce/pull/1121)

playbooks/roles/ecommerce/defaults/main.yml

@@ -67,9 +67,6 @@ ECOMMERCE_SOCIAL_AUTH_EDX_OIDC_KEY : 'ecommerce-key'
 ECOMMERCE_SOCIAL_AUTH_EDX_OIDC_SECRET : 'ecommerce-secret'
 ECOMMERCE_SOCIAL_AUTH_REDIRECT_IS_HTTPS: false
 
-# Analytics related
-ECOMMERCE_SEGMENT_KEY: !!null
-
 # Settings for affiliate cookie tracking
 ECOMMERCE_AFFILIATE_COOKIE_NAME: '{{ EDXAPP_AFFILIATE_COOKIE_NAME | default("dev_affiliate_id") }}'
 
@@ -165,7 +162,6 @@ ECOMMERCE_SERVICE_CONFIG:
   SOCIAL_AUTH_EDX_OIDC_URL_ROOT: '{{ ECOMMERCE_LMS_URL_ROOT }}/oauth2'
   SOCIAL_AUTH_EDX_OIDC_LOGOUT_URL: '{{ ECOMMERCE_LMS_URL_ROOT }}/logout'
   SOCIAL_AUTH_REDIRECT_IS_HTTPS: '{{ ECOMMERCE_SOCIAL_AUTH_REDIRECT_IS_HTTPS }}'
-  SEGMENT_KEY: '{{ ECOMMERCE_SEGMENT_KEY }}'
   AFFILIATE_COOKIE_KEY: '{{ ECOMMERCE_AFFILIATE_COOKIE_NAME }}'
 
   STATIC_ROOT: "{{ COMMON_DATA_DIR }}/{{ ecommerce_service_name }}/staticfiles"