rm: cannot remove 'usr/share/menu': No such file or directory
just do
vim /var/git/meta-repo/kits/browser-kit/www-client/google-chrome-beta/google-chrome-beta-141.0.7390.16.ebuild
replace
rm -r etc usr/share/menu || die
with
if [[ -d "${D}/etc" ]]; then
rm -r "${D}/etc" || die "Failed to remove etc"
fi
if [[ -d "${D}/usr/share/menu" ]]; then
rm -r "${D}/usr/share/menu" || die "Failed to remove usr/share/menu"
fi