ivi-shell: Remove call wl_resource_set_implementation

> This call in not needed, AFAIK.
> [ntanibata] I will remove it.

Signed-off-by: Nobuhiko Tanibata <NOBUHIKO_TANIBATA@xddp.denso.co.jp>
ivi-shell: Move surface_configure_notify() definition

> Move surface_configure_notify() definition above the line where it is
> needed, and remove the declaration from the beginning of the file.

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