Removed ECOMMERCE_ORDER_NUMBER_PREFIX

This value is no longer used/needed.

ECOM-2618

playbooks/roles/ecommerce/defaults/main.yml

@@ -96,8 +96,6 @@ ECOMMERCE_PAYMENT_PROCESSOR_CONFIG:
       receipt_url: '{{ ECOMMERCE_PAYPAL_RECEIPT_URL }}'
       cancel_url: '{{ ECOMMERCE_PAYPAL_CANCEL_URL }}'
 
-ECOMMERCE_ORDER_NUMBER_PREFIX: 'OSCR'
-
 # Theming
 ECOMMERCE_PLATFORM_NAME: 'Your Platform Name Here'
 ECOMMERCE_THEME_SCSS: 'sass/themes/default.scss'
@@ -143,7 +141,6 @@ ECOMMERCE_SERVICE_CONFIG:
     connect_timeout: 10
   DATABASES: '{{ ECOMMERCE_DATABASES }}'
 
-  ORDER_NUMBER_PREFIX: '{{ ECOMMERCE_ORDER_NUMBER_PREFIX }}'
   PAYMENT_PROCESSOR_CONFIG: '{{ ECOMMERCE_PAYMENT_PROCESSOR_CONFIG }}'
   OAUTH2_PROVIDER_URL: '{{ ECOMMERCE_LMS_URL_ROOT }}/oauth2'