mtd: sf_probe: remove spi-flash compatible

Now the "spi-flash" compatible has been removed in the DTS files,
remove this compatible from sf_probe to finally use the Linux "jedec,spi-nor"
compatible.
Signed-off-by: NNeil Armstrong <narmstrong@baylibre.com>
Reviewed-by: NSimon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
Reviewed-by: NJagan Teki <jagan@openedev.com>

drivers/mtd/spi/sf_probe.c

@@ -166,7 +166,6 @@ static const struct dm_spi_flash_ops spi_flash_std_ops = {
 };
 
 static const struct udevice_id spi_flash_std_ids[] = {
-	{ .compatible = "spi-flash" },
 	{ .compatible = "jedec,spi-nor" },
 	{ }
 };