[PATCH net-next] net: smc91x: Remove stale documentation reference

[Karl Mehltretter]

smc9.rst was removed with the separate smc91c92 driver. Stop
pointing SMC91X users to the nonexistent file.

Fixes: a3fb9a5bf660 ("drivers: net: smsc: smc91c92: Remove this driver")
Assisted-by: LLM
Signed-off-by: Karl Mehltretter <kmehltretter@xxxxxxxxx>
---
 drivers/net/ethernet/smsc/Kconfig | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/smsc/Kconfig b/drivers/net/ethernet/smsc/Kconfig
index 66bca803b19cb..99e22d3e16ef5 100644
--- a/drivers/net/ethernet/smsc/Kconfig
+++ b/drivers/net/ethernet/smsc/Kconfig
@@ -29,8 +29,7 @@ config SMC91X
 	help
 	  This is a driver for SMC's 91x series of Ethernet chipsets,
 	  including the SMC91C94 and the SMC91C111. Say Y if you want it
-	  compiled into the kernel, and read the file
-	  <file:Documentation/networking/device_drivers/ethernet/smsc/smc9.rst>.
+	  compiled into the kernel.
 
 	  This driver is also available as a module ( = code which can be
 	  inserted in and removed from the running kernel whenever you want).
-- 
2.53.0