spi: spidev: drop the incorrect notice from Kconfig

The spidev interface has been de-facto stable for many years. This notice
has been unchanged since 2007 and is incorrect so remove it.

Signed-off-by: Bartosz Golaszewski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

Author: Bartosz Golaszewski

drivers/spi/Kconfig

@@ -1175,9 +1175,6 @@ config SPI_SPIDEV
 	help
 	  This supports user mode SPI protocol drivers.
 
-	  Note that this application programming interface is EXPERIMENTAL
-	  and hence SUBJECT TO CHANGE WITHOUT NOTICE while it stabilizes.
-
 config SPI_LOOPBACK_TEST
 	tristate "spi loopback test framework support"
 	depends on m