mfd: twl6030-irq: Remove unused twl6030_mmc_card_detect*

twl6030_mmc_card_detect() and twl6030_mmc_card_detect_config() have been
unused since 2013's commit b2ff4790 ("ARM: OMAP2+: Remove legacy
omap4_twl6030_hsmmc_init")

Remove them.

Signed-off-by: "Dr. David Alan Gilbert" <linux@treblig.org>
Link: https://lore.kernel.org/r/20250607202232.265344-1-linux@treblig.org


Signed-off-by: Lee Jones <lee@kernel.org>