Exclude "Submit (GitHub) issue" link for specific products

[jstirnaman]

layouts/partials/article/feedback.html line 17 generates a "Submit issue" link that targets the product repo. This breaks for products with private repos and product namespaces that don't match the repo name.

Relevant URLs

• docs.influxdata.com/enterprise_influxdb/v1/ pages include https://github.com/influxdata/enterprise_influxdb/issues/new/choose in the Feedback section
• Broken link report