Revert "git: also patch the ls command for git-core scripts"

Prevent the command patching from breaking the definition of
__git_complete_revlist_file, where there's a local varible named "ls"

This reverts commit 820dc2a560.

pkgs/applications/version-management/git/default.nix

@@ -190,8 +190,7 @@ stdenv.mkDerivation (finalAttrs: {
           @a=(
             '${gnugrep}/bin/grep', '${gnused}/bin/sed', '${gawk}/bin/awk',
             '${coreutils}/bin/cut', '${coreutils}/bin/basename', '${coreutils}/bin/dirname',
-            '${coreutils}/bin/wc', '${coreutils}/bin/tr',
-            '${coreutils}/bin/ls'
+            '${coreutils}/bin/wc', '${coreutils}/bin/tr'
             ${lib.optionalString perlSupport ", '${perlPackages.perl}/bin/perl'"}
           );
         }