Revert "mmc: core: Wait for Vdd to settle on card power off"

This reverts commit 0905771.

Signed-off-by: Erick Shepherd <erick.shepherd@ni.com>

Author: erickshepherdNI

drivers/mmc/host/sdhci.c

@@ -2378,9 +2378,6 @@ void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
 	else
 		sdhci_set_power(host, ios->power_mode, ios->vdd);
 
-	if (ios->power_mode == MMC_POWER_OFF)
-		mdelay(15);
-
 	if (host->ops->platform_send_init_74_clocks)
 		host->ops->platform_send_init_74_clocks(host, ios->power_mode);