In theory, it is possible to remove the stand. However, it does not seem to be designed with that intention in mind. However, if your goal was to mount the display then you are in luck as there are a couple different options.
Firstly, you can buy a Mac directly from apple with a [link|https://www.apple.com/shop/buy-mac/imac-vesa|built in VESA mount adapter].
The second option is if you already have an M1 Mac. You can actually buy an adapter that fastens onto the stand itself, and acts as an adapter for VESA mounts. Theirs a video that you can watch on it [link|https://www.youtube.com/watch?v=J-bdSpOs6Ew|here].