Generated comments in oneof are misleading

[kdorosh]

https://github.com/solo-io/gloo/blame/245ca47bc977c9c3121f7e7b77d7b5b64bb7702b/docs/content/reference/api/github.com/solo-io/gloo/projects/gloo/api/v1/proxy.proto.sk.md#L169-L172

note that it's oneof the four options that are valid, but it seems only three of the four are chosen at random..

[arianaw66]

Wondering if this is related to https://github.com/solo-io/dev-portal/issues/1105. We can look into that when we work on this, if useful.