Revert: Remove embedded Build Doctor

Author: vibhutikumar07

.github/workflows/demo-build.yml

@@ -18,30 +18,3 @@ jobs:
           cache: maven
       - name: Build with Maven
         run: mvn clean install
-
-  diagnose:
-    needs: build
-    if: failure()
-    runs-on: ubuntu-latest
-    permissions:
-      actions: read
-      contents: read
-      issues: write
-      pull-requests: write
-    steps:
-      - uses: actions/checkout@v4
-      - name: Set up Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-      - name: Install dependencies
-        run: npm install @actions/github @google/generative-ai @octokit/core
-      - name: Run Build Doctor Analysis
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          GEMINI_API_KEY: ${{ secrets.GEMINI_API_KEY }}
-          WORKFLOW_RUN_ID: ${{ github.run_id }}
-          WORKFLOW_NAME: ${{ github.workflow }}
-          REPO_OWNER: ${{ github.repository_owner }}
-          REPO_NAME: ${{ github.event.repository.name }}
-        run: node .github/scripts/analyze-failure.js