ci: remove xspectrampoline module in tests

Author: fjebaker

.github/workflows/package.yml

@@ -46,6 +46,11 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+      - name: Delete main module
+        # The main module is not needed for the tests and conflicts with how
+        # Python imports the wheel after its been installed.
+        run: |
+          rm -rf xspectrampoline
       - name: Set up Python
         uses: actions/setup-python@v6
         with: