remove da github build process

.github/workflows/build.yml

@@ -1,48 +0,0 @@
-name: Build
-
-on:
-  push:
-    branches: [ main ]
-  pull_request:
-    branches: [ main ]
-  workflow_dispatch:
-
-jobs:
-  build:
-    runs-on: ubuntu-latest
-    
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v4
-    
-    - name: Set up Python
-      uses: actions/setup-python@v5
-      with:
-        python-version: '3.x'
-    
-    - name: Install LaTeXML and dependencies
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y latexml texlive-latex-extra
-    
-    - name: Create Python virtual environment
-      run: |
-        python3 -m venv venv
-        venv/bin/pip install --upgrade pip
-        venv/bin/pip install beautifulsoup4
-    
-    - name: Create export directory
-      run: mkdir -p export
-    
-    - name: Build with LaTeXML
-      run: latexmlc --destination=export/index.html pghrt
-    
-    - name: Run soup.py post-processing
-      run: venv/bin/python soup.py
-    
-    - name: Upload export artifacts
-      uses: actions/upload-artifact@v4
-      with:
-        name: latexml-export
-        path: export/
-        retention-days: 90