qemu: Drop libnfs PACKAGECONFIG as upstream caught up

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

meta-oniro-core/recipes-devtools/qemu/oniro-qemu.inc

-# SPDX-FileCopyrightText: Huawei Inc.
-#
-# SPDX-License-Identifier: Apache-2.0
-
-PACKAGECONFIG[libnfs] = "--enable-libnfs,--disable-libnfs,libnfs"

meta-oniro-core/recipes-devtools/qemu/qemu-native_%.bbappend

-# SPDX-FileCopyrightText: Huawei Inc.
-#
-# SPDX-License-Identifier: Apache-2.0
-
-require oniro-qemu.inc

meta-oniro-core/recipes-devtools/qemu/qemu-system-native_%.bbappend

-# SPDX-FileCopyrightText: Huawei Inc.
-#
-# SPDX-License-Identifier: Apache-2.0
-
-require oniro-qemu.inc