git: diff(1): Remove unnecessary "-Wall" COPTS

[Aaron LI]

commit a95b5cf7b30c9fc4ed6b44c97b919258b65eca4d
Author: Aaron LI <aly at aaronly.me>
Date:   Sat Dec 21 20:27:17 2024 +0800

    diff(1): Remove unnecessary "-Wall" COPTS
    
    The "-Wall" option is already set by default.

Summary of changes:
 usr.bin/diff/Makefile | 1 -
 1 file changed, 1 deletion(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/a95b5cf7b30c9fc4ed6b44c97b919258b65eca4d


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