fix: drop git-lfs from workflow (server LFS disabled)

.gitea/workflows/deploy.yml

@@ -12,14 +12,13 @@ jobs:
     container:
       image: docker:24
     steps:
-      - name: Install git + git-lfs (alpine)
-        run: apk add --no-cache git git-lfs
+      - name: Install git (alpine)
+        run: apk add --no-cache git
 
-      - name: Checkout (manual, internal Gitea) + LFS pull
-        # cas.war (174MB) 走 Git LFS 存储，clone 后需 git lfs pull 取回真实文件
+      - name: Checkout (manual, internal Gitea)
+        # cas.war (174MB) 已作为普通 blob 入库（服务端未启用 LFS）
         run: |
           git clone --depth 1 --branch main http://192.168.10.160:3000/${GITHUB_REPOSITORY}.git /tmp/src
-          cd /tmp/src && git lfs pull
           cp -a /tmp/src/. .
           rm -rf .git .gitea
           rm -rf /tmp/src