remove temporary markdown file (#7048)

Deletes a file accidentally committed when rebasing and doing `git add
.`

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-7048-remove-temporary-markdown-file-2bb6d73d36508139b95ef3c7e4ab0798)
by [Unito](https://www.unito.io)

Author: christian-byrne