Remove CI workflow files

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,6 +0,0 @@
-## Summary
-Brief description of changes.
-
-## Testing
-- [ ] All tests pass (`python -m pytest tests/`)
-- [ ] Tested with Python 3.8+

.github/workflows/ci.yml

@@ -1,28 +0,0 @@
-name: CI
-
-on:
-  push:
-    branches: [main, master]
-  pull_request:
-    branches: [main, master]
-
-jobs:
-  test:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
-    steps:
-      - uses: actions/checkout@v4
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v5
-        with:
-          python-version: ${{ matrix.python-version }}
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r requirements.txt
-          pip install pytest
-      - name: Test with pytest
-        run: |
-          python -m pytest tests/ -v