fix(modules): 修正 zsh hook 脚本路径

scripts/set-default-shell.sh

@@ -1,10 +0,0 @@
-#!/bin/bash
-set -euo pipefail
-
-if [ "$SHELL" != "$(which zsh)" ]; then
-    echo "==> 设置默认 shell 为 zsh..."
-    sudo chsh -s "$(which zsh)" "$USER"
-    echo "✓ 默认 shell 已设置为 zsh（重新登录后生效）"
-else
-    echo "默认 shell 已经是 zsh"
-fi