include/mmc.h: Remove declaration for spl_mmc_load()

The spl_mmc_load() was removed while converting to
CONFIG_SPL_FRAMEWORK usage the definition was removed
but the declaration was missed. This patch removes this
declaration.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Acked-by: Pantelis Antoniou <panto@antoniou-consulting.com>

include/mmc.h

@@ -304,7 +304,6 @@ int board_mmc_getcd(struct mmc *mmc);
 int mmc_switch_part(int dev_num, unsigned int part_num);
 int mmc_getcd(struct mmc *mmc);
 int mmc_getwp(struct mmc *mmc);
-void spl_mmc_load(void) __noreturn;
 /* Function to change the size of boot partition and rpmb partitions */
 int mmc_boot_partition_size_change(struct mmc *mmc, unsigned long bootsize,
 					unsigned long rpmbsize);