Remove npm related release steps

Author: codingjoe

.github/workflows/release.yml

@@ -11,11 +11,6 @@ jobs:
     - uses: actions/setup-python@v1
     - name: Install Python dependencies
       run: python -m pip install --upgrade pip setuptools wheel twine
-    - uses: actions/setup-node@v1
-    - name: Install Node dependencies
-      run: npm install --only=dev
-    - name: Minify JavaScript files
-      run: npm run-script minify
     - name: Build dist packages
       run: python setup.py sdist bdist_wheel
     - name: Upload packages