Remove running tkinter module

Author: ElliottKasoar

.github/workflows/windows.yml

@@ -29,8 +29,5 @@ jobs:
       - name: Test importing matplotlib
         run: uv run --no-sync python -c 'import matplotlib.pyplot as plt; plt.plot()'
 
-      - name: Test tkinter module
-        run: uv run --no-sync python -m tkinter
-
       - name: Run test that fails
         run: uv run --no-sync pytest tests/test_phonons_cli.py::test_plot