Remove obsolete _LINUX_CONFIG_H macro

Commit 643aae1406c93ddc64fcf8c136b47cdffd9c8ccd
deleted include/linux/config.h but missed to
delete _LINUX_CONFIG_H macro.
It is no longer used at all.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
22 files changed