chore: remove temporary diagnostic workflow

.github/workflows/find-impulsa-web.yml

@@ -1,16 +0,0 @@
-name: read-impulsa-compose
-on:
-  workflow_dispatch:
-
-jobs:
-  find:
-    runs-on: self-hosted
-    steps:
-      - name: Read impulsa production compose and find landing Dockerfile
-        run: |
-          echo "=== /opt/impulsa/environments/production/docker-compose.yml ==="
-          docker run --rm -v /opt/impulsa:/impulsa alpine cat /impulsa/environments/production/docker-compose.yml
-          echo "=== /opt/impulsa directory tree (depth 3) ==="
-          docker run --rm -v /opt/impulsa:/impulsa alpine find /impulsa -maxdepth 4 -name "*.yml" -o -name "*.yaml" -o -name "Dockerfile*" 2>/dev/null
-          echo "=== Container start command ==="
-          docker inspect impulsa_landing --format '{{.Name}} {{.Config.Cmd}} {{.HostConfig.Binds}}'