sf: Remove non-meaningful comments

Remove unneeded/non-meaningful commit message on
params and flash.

Cc: Bin Meng <bmeng.cn@gmail.com>
Cc: York Sun <york.sun@nxp.com>
Cc: Vignesh R <vigneshr@ti.com>
Cc: Mugunthan V N <mugunthanvnm@ti.com>
Cc: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Jagan Teki <jagan@openedev.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Reviewed-by: Siva Durga Prasad Paladugu <sivadur@xilinx.com>

drivers/mtd/spi/sf_params.c

@@ -42,7 +42,6 @@
 		.page_size = 256,					\
 		.flags = (_flags),
 
-/* SPI/QSPI flash device params structure */
 const struct spi_flash_info spi_flash_ids[] = {
 #ifdef CONFIG_SPI_FLASH_ATMEL		/* ATMEL */
 	{"AT45DB011D",	   INFO(0x1f2200, 0x0, 64 * 1024,     4, SECT_4K) },

drivers/mtd/spi/spi_flash.c

@@ -1015,16 +1015,13 @@ int spi_flash_scan(struct spi_flash *flash)
 	    JEDEC_MFR(info) == SPI_FLASH_CFI_MFR_SST)
 		write_sr(flash, 0);
 
-	/* Assign spi data */
 	flash->name = info->name;
 	flash->memory_map = spi->memory_map;
 	flash->dual_flash = spi->option;
 
-	/* Assign spi flash flags */
 	if (info->flags & SST_WR)
 		flash->flags |= SNOR_F_SST_WR;
 
-	/* Assign spi_flash ops */
 #ifndef CONFIG_DM_SPI_FLASH
 	flash->write = spi_flash_cmd_write_ops;
 #if defined(CONFIG_SPI_FLASH_SST)