(Quick Reference)
                Service: Delete
Description: This web service is used in order to delete an existing customerGroupPromotionLists object from the database
Method: DELETE
URL: 
https://BASE_URL/api/VERSION/customerGroupPromotionLists/{id} Parameters:
| Name | Description | Type | Required | Examples values | 
|---|
| id | Id of the desired record to delete | Long | Yes | 777 | 
URL with external_id: 
https://BASE_URL/api/VERSION/customerGroupPromotionLists/reference/{customerGroupId}/{promotionListId} Parameters:
| Name | Description | Type | Required | Examples values | 
|---|
| customerGroupId | reference of the customer group | String | Yes | CG-002 | 
| promotionListId | reference of the promotion list | String | Yes | PL-001 | 
Success Output
 Success case: response.status=200 
{
    "success": "true",
    "success_description": "Instance deleted successfully"
} 
 Failure Output
 Failure case:response.status = 404 
{
    "error": "not_found",
    "error_description": "The customer group promotion list with the id 999 doesn't exist."
} Failure case:response.status = 400 
{
    "error": "invalid_param_type",
    "error_description": "The type of parameter id you provided is not valid for this request."
} 
{
    "error": "delete_failed",
    "error_description": "Failed to delete instance"
} Failure case:response.status = 500 
{
    "error": "server_error",
    "error_description": "Oops! Something went wrong..."
}