Adjust Gainsight configuration

- replace Gainsight with sf-reporter image
- add Salesforce credentials
- remove unused params
- remove csv mount

Change-Id: I46358acee9c3167795a4d2393041fd3875cd2e94
Related-PROD: PROD-34801
diff --git a/defaults/stacklight.yml b/defaults/stacklight.yml
index 8838246..225120f 100644
--- a/defaults/stacklight.yml
+++ b/defaults/stacklight.yml
@@ -6,3 +6,10 @@
     # ELK stack versions
     elasticsearch_version: 5
     kibana_version: 5
+    # Salesforce
+    sf_notifier_sfdc_auth_url: "default"
+    sf_notifier_sfdc_username: "default"
+    sf_notifier_sfdc_password: "default"
+    sf_notifier_sfdc_organization_id: "default"
+    sf_notifier_sfdc_environment_id: "default"
+    sf_notifier_sfdc_sandbox_enabled: "True"