Remove wl_list_init of layer_list which will be used by ivi_shell
Remove wl_list_init of layer_list which will be used by ivi_shell

To avoid clearing not related ivi_controller.so layer. E.g.
cursor and software keyboard.

Signed-off-by: Nobuhiko Tanibata <92313f26b3566e64b50391ce0051fc0e1f775402@xddp.denso.co.jp>

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