Remove demo pod that is no longer needed

.forgejo/workflows/podman-demo.yml

@@ -1,39 +0,0 @@
-name: Podman Rootless Demo
-on: [push, pull_request]
-
-jobs:
-  test-rootless:
-    runs-on: [ci]
-
-    # Point all steps at the host's rootless Podman socket
-    env:
-      # Point the client at the mounted socket
-      CONTAINER_HOST: unix:///run/user/1001/podman/podman.sock
-      # Make sure podman looks in the correct runtime dir hierarchy
-      XDG_RUNTIME_DIR: /tmp
-
-    steps:
-      - name: Checkout code
-        uses: actions/checkout@v4
-
-
-      - name: Verify socket visibility
-        run: |
-          set -euo pipefail
-          id -u; id -g
-          ls -ld /run/user/1001/podman
-          ls -l  /run/user/1001/podman/podman.sock
-          test -S /run/user/1001/podman/podman.sock
-
-      - name: Use host rootless Podman
-        run: |
-          set -euo pipefail
-          podman --remote info --format '{{.Host.RemoteSocket.Path}} (remote={{.Host.RemoteSocket.Exists}})'
-          podman --remote version
-          podman --remote run --rm alpine:3.20 echo "Hello from host rootless Podman!"
-
-      - name: Build and run a container
-        run: |
-          set -euo pipefail
-          podman --remote build -t test-image .
-          podman --remote run --rm test-image