protocol: removed set_position from ivi_controller_layer
protocol: removed set_position from ivi_controller_layer

this is already covered by set_destination_rectangle

Signed-off-by: Timo Lotterbach <f20969c182a2dceb7b04342e73072205394c8a83@bmw-carit.de>

ntanibata/wayland-ivi-extension,ntanibata/wayland-ivi-extension