Remove export CC and venv

Author: ValerianRey

.github/workflows/tests.yml

@@ -23,10 +23,7 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install default (with full options) and test dependencies
-        run: |
-          uv venv
-          export CC=gcc
-          uv pip install '.[full]' --group test
+        run: uv pip install '.[full]' --group test
       - name: Run unit and doc tests with coverage report
         run: uv run pytest tests/unit tests/doc --cov=src --cov-report=xml
       - name: Upload results to Codecov