deleted github workflow

.github/workflows/main.yml

@@ -1,18 +0,0 @@
-on: [push]
-
-jobs:
-  deploy_job:
-    runs-on: ubuntu-latest
-    name: deploy
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v2
-      - name: deploy file
-        uses: wlixcc/SFTP-Deploy-Action@v1.0
-        with:
-          username: ${{ secrets.USERNAME}}
-          server: ${{ secrets.HOST}}
-          ssh_private_key: ${{ secrets.SSH_KEY }} 
-          local_path: './*'
-          remote_path: '/home/mdbook/wiki/src'
-          args: '-o ConnectTimeout=5'