Unregister a previously registered direct resource by URI. Returns true
if a resource was removed, false if no resource with that URI was
registered. The mirror of registerResource; pair with
notifyResourcesListChanged to inform connected clients that the available
resource set changed.
Unregister a previously registered direct resource by URI. Returns true if a resource was removed, false if no resource with that URI was registered. The mirror of registerResource; pair with notifyResourcesListChanged to inform connected clients that the available resource set changed.