Sticker, nail polish, sandpaper, plastic coating, or use a different remote. There are remotes for the Shield that don’t have a Netflix button, mine doesn’t. That said, I usually use a keyboard and mouse with mine, and if I’m ever using a remote, it’s usually my OSMC remote.
You can also replace the stock ROM with LineageOS, if a simple launcher switch isn’t enough.
But you still have an ugly netflix advertisement on your remote
Sticker, nail polish, sandpaper, plastic coating, or use a different remote. There are remotes for the Shield that don’t have a Netflix button, mine doesn’t. That said, I usually use a keyboard and mouse with mine, and if I’m ever using a remote, it’s usually my OSMC remote.
You can also replace the stock ROM with LineageOS, if a simple launcher switch isn’t enough.