x11-randr: Make "delete_mode of in use mode" a debug message
x11-randr: Make "delete_mode of in use mode" a debug message

This is a normal thing to happen, so it should not be an error message.

Signed-off-by: Hans de Goede <9fa1be1a5b5729e4c6b404f34c9ce49ff4882fd8@redhat.com>

elmarco/vdagent-gtk,elmarco/vdagent-gtk,elmarco/vdagent-gtk