Feedback submission mysteriously disappeared without explanation

I submitted this, and shared the link, then someone commented and said the link was dead. Now I don't even see the submission in my profile. I didn't receive a notification saying it was removed by an admin or anything; it just disappeared.

https://feedback.minecraft.net/hc/en-us/community/posts/360071945931-Add-some-more-generic-worldgen-feature-types-for-custom-biomes