remove duplicated ssh action

Author: artcz

.github/workflows/build_and_deploy.yml

@@ -75,12 +75,5 @@ jobs:
         with:
           ssh-private-key: ${{ secrets.DEPLOY_SSH_KEY }}
 
-      - name: Set up ssh
-        run: |
-          mkdir -p ~/.ssh
-          echo "${{ secrets.DEPLOY_SSH_KEY }}" > ~/.ssh/id_ed25519
-          chmod 600 ~/.ssh/id_ed25519
-          ssh-keyscan "internal.europython.eu" > ~/.ssh/known_hosts
-
       - name: Run deployment
         run: make deploy/app