staging: ath6kl: Removing duplicate includes

Eliminating the inclusion of the same header file more than once.
The files being removed are already included by osapi_linux.h.

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Vipin Mehta <vmehta@atheros.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
4 files changed