mmc: tmio: remove outdated members from host struct

mmc: tmio: remove outdated members from host struct

The wrappers are gone for two years now but they have still pointers
reserved in the tmio_mmc_host struct. Remove them.

Reported-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Fixes: f22084b662e5 ("mmc: tmio: remove superfluous callback wrappers")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20220311140542.5407-1-wsa+renesas@sang-engineering.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>