_pkg.sh: stop converting Unix EOLs to CRLF to make Notepad happy [ci …

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It seems Notepad (in Windows 10) got Unix EOL support a few years ago:
https://devblogs.microsoft.com/commandline/extended-eol-in-notepad/

_pkg.sh

@@ -26,7 +26,6 @@ EOF
 unix2dos --quiet --keepdate "${_fn}"
 touch -c -r "$1" "${_fn}"
 
-find "${_DST}" \( -name '*.txt' -o -name '*.md' -o -name '*.rst' \) -exec unix2dos --quiet --keepdate '{}' +
 find "${_DST}" -depth -type d -exec touch -c -r "$1" '{}' \;
 # NOTE: This isn't effective on MSYS2:
 find "${_DST}" -name '*.a' -exec chmod a-x '{}' +