Staging: brcm80211: remove unused typedefs in typedefs.h

uint is already defined somewhere else, so just remove this version
of it.

Cc: Brett Rudley <brudley@broadcom.com>
Cc: Henry Ptasinski <henryp@broadcom.com>
Cc: Nohee Ko <noheek@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>