git: bsd.kern.mk: Always set '-Wno-unused-but-set-variable'

[Aaron LI]

commit 8687816f17dd29d066d31f78d65c9a1778ae95da
Author: Aaron LI <aly at aaronly.me>
Date:   Sun Aug 31 20:54:56 2025 +0800

    bsd.kern.mk: Always set '-Wno-unused-but-set-variable'
    
    The check was useful for GCC <4.7, which we no longer has, so just
    remove the unnecessary check and always set
    '-Wno-unused-but-set-variable'.
    
    Discussed-with: swildner

Summary of changes:
 sys/conf/bsd.kern.mk | 2 --
 1 file changed, 2 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/8687816f17dd29d066d31f78d65c9a1778ae95da


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