chore: 移除发布工作流及Dockerfile，

.github/workflows/build.yml

@@ -1,15 +1,12 @@
-name: Remote SSH Command
-on: [push]
+name: Build Docker
+
+on: [push, pull_request]
+
 jobs:
   build:
-    name: Build
     runs-on: ubuntu-latest
     steps:
-      - name: 执行远程 SSH 命令（密码认证）
-        uses: appleboy/ssh-action@v1
-        with:
-          host: ${{ secrets.HOST }}
-          username: ${{ secrets.USERNAME }}
-          password: ${{ secrets.PASSWORD }}
-          port: ${{ secrets.PORT }}
-          script: whoami
+      - name: Checkout code
+        uses: actions/checkout@v6
+      - name: Build
+        run: ls -la