I'm having an issue removing a device from the Send to Device list on Firefox for Android. I have logged out of the device via my account settings, have logged out and in of Firefox Sync, and deleted all data held in the Firefox app but the old device is still showing up in the Send to Device list, despite the fact that my account isn't even logged in, so I'm very confused as to why this is happening. Does anyone have any advice or recommended troubleshooting steps? Thanks!