linux-yocto/6.16: defconfig: fix configuration audit warning

linux-yocto/6.16: defconfig: fix configuration audit warning

Integrating the following commit(s) to linux-yocto/6.16:

1/1 [
    Author: Trevor Woerner
    Email: twoerner@gmail.com
    Subject: defconfig: cleanup orphaned CONFIG_SCHED_DEBUG
    Date: Tue, 16 Sep 2025 16:33:24 +0100

    In commit b52173065e0a ("sched/debug: Remove CONFIG_SCHED_DEBUG") this
    Kconfig option was removed since CONFIG_SCHED_DEBUG was made unconditional
    by patches preceding it.

    Signed-off-by: Trevor Woerner <twoerner@gmail.com>
    Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
    Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
]

Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>