pinctrl: renesas: r8a779g0: Remove unused MOD_SELx definitions

Current R-Car V4H PFC code has many MOD_SELx definitions with all 0.
But these have no meaning.  This patch removes them.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/875ykhtxym.wl-kuninori.morimoto.gx@renesas.com


Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>