parport: Remove parport_driver.devmodel

'devmodel' hasn't actually been used since:
  'commit 3275158fa5 ("parport: remove use of devmodel")'
and everyone now has it set to true and has been fixed up; remove
the flag.

(There are still comments all over about it)

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Acked-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Link: https://lore.kernel.org/r/20240502154823.67235-4-linux@treblig.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/pps/generators/pps_gen_parport.c

@@ -232,7 +232,6 @@ static struct parport_driver pps_gen_parport_driver = {
 	.name = KBUILD_MODNAME,
 	.match_port = parport_attach,
 	.detach = parport_detach,
-	.devmodel = true,
 };
 module_parport_driver(pps_gen_parport_driver);