A few years ago, I wrote up an answer to my own question on Stackoverflow to completely hide the :PROPERTIES: drawer, including the line that says :PROPERTIES:. Since then, it has received nearly 5,000 views, 11 stars, 17 upvotes on the initial question, and 15 upvotes on the answer.
Today, a forum participant posted a comment underneath my answer asking why not send this upstream. So, here is the link to the answer: https://stackoverflow.com/a/17492723/2112489 Thanks, Keith