Revert "oniro-linux.conf: Include openharmony.inc for openharmony-specific conf"

This reverts commit 5e92ffba.

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

meta-oniro-core/conf/distro/oniro-linux.conf

@@ -108,7 +108,6 @@ SPLASH = "psplash-oniro"
 
 DISTRO_FEATURES_FILTER_NATIVE:append = " openharmony"
 DISTRO_FEATURES_FILTER_NATIVESDK:append = " openharmony"
-require conf/distro/include/openharmony.inc
 
 # We run a read-only rootfs but we want shadow because it includes subid
 # configuration used by podman in rootless mode.