Remove temporary document fidelity merge diagnostic workflow

.github/workflows/mvp-document-fidelity-merge-diagnostic.yml

@@ -1,45 +0,0 @@
-name: MVP document fidelity merge diagnostic
-
-on:
-  push:
-    branches:
-      - main
-    paths:
-      - operator_triggers/mvp_document_fidelity_merge_diagnostic.txt
-
-permissions:
-  contents: write
-
-jobs:
-  diagnose:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Check out implementation branch
-        uses: actions/checkout@v4
-        with:
-          ref: scrub-mvp-document-hygiene-fidelity-hardening
-          fetch-depth: 0
-
-      - name: Diagnose merge against current main
-        shell: bash
-        run: |
-          set +e
-          git fetch origin main
-          {
-            echo "branch_head=$(git rev-parse HEAD)"
-            echo "main_head=$(git rev-parse origin/main)"
-            git merge-tree --write-tree HEAD origin/main
-            status=$?
-            echo "merge_tree_status=$status"
-            echo "conflict_summary:"
-            git merge-tree $(git merge-base HEAD origin/main) HEAD origin/main | grep '^changed in both\|^added in both\|^removed in' -A6 || true
-          } > /tmp/mvp_document_fidelity_merge_diagnostic.log 2>&1
-
-          git config user.name 'solidprivacy-diagnostic-worker'
-          git config user.email 'actions@users.noreply.github.com'
-          git checkout -B mvp-document-fidelity-main-sync-evidence-20260717 origin/main
-          mkdir -p output/validation
-          cp /tmp/mvp_document_fidelity_merge_diagnostic.log output/validation/mvp_document_fidelity_merge_diagnostic.log
-          git add output/validation/mvp_document_fidelity_merge_diagnostic.log
-          git commit -m 'Record document fidelity merge diagnostic' || true
-          git push --force origin HEAD:mvp-document-fidelity-main-sync-evidence-20260717