addressed link2xt comments except tls cleanup and fixed linting, removed leftovers

.github/workflows/reusable-test-tls-external.yaml

@@ -1,33 +0,0 @@
-name: test tls_external_cert_and_key
-
-on:
-  workflow_call:
-    inputs:
-      domain:
-        required: true
-        type: string
-    secrets:
-      STAGING_SSH_KEY:
-        required: true
-
-jobs:
-  test-tls-external:
-    name: test tls_external_cert_and_key
-    runs-on: ubuntu-latest
-    timeout-minutes: 15
-    environment:
-      name: ${{ inputs.domain }}
-    concurrency: ${{ inputs.domain }}
-    steps:
-      - uses: actions/checkout@v4
-      - run: scripts/initenv.sh
-      - name: append venv/bin to PATH
-        run: echo venv/bin >>$GITHUB_PATH
-      - name: prepare SSH
-        run: |
-          mkdir -p ~/.ssh
-          echo "${{ secrets.STAGING_SSH_KEY }}" >> ~/.ssh/id_ed25519
-          chmod 600 ~/.ssh/id_ed25519
-          ssh-keyscan ${{ inputs.domain }} >> ~/.ssh/known_hosts 2>/dev/null
-      - name: run tls_external e2e test
-        run: python -m cmdeploy.tests.setup_tls_external ${{ inputs.domain }}

.github/workflows/test-and-deploy-ipv4only.yaml

@@ -102,11 +102,3 @@ jobs:
       - name: cmdeploy dns
         run: ssh root@staging-ipv4.testrun.org "cd relay && scripts/cmdeploy dns -v --ssh-host localhost"
 
-  test-tls-external:
-    needs: deploy
-    uses: ./.github/workflows/reusable-test-tls-external.yaml
-    with:
-      domain: staging-ipv4.testrun.org
-    secrets:
-      STAGING_SSH_KEY: ${{ secrets.STAGING_SSH_KEY }}
-

.github/workflows/test-and-deploy.yaml

@@ -95,11 +95,3 @@ jobs:
       - name: cmdeploy dns
         run: cmdeploy dns -v
 
-  test-tls-external:
-    needs: deploy
-    uses: ./.github/workflows/reusable-test-tls-external.yaml
-    with:
-      domain: staging2.testrun.org
-    secrets:
-      STAGING_SSH_KEY: ${{ secrets.STAGING_SSH_KEY }}
-