Remove old cibw.sh script

Author: oscarbenjamin

.cirrus.yml

@@ -9,11 +9,12 @@ cirrus_wheels_macos_arm64_task:
   env:
     PATH: /opt/homebrew/opt/python@3.10/bin:$PATH
     CIBW_ARCHS_MACOS: arm64
+    CIBW_TEST_COMMAND: "python -m flint.test"
   install_pre_requirements_script:
     - python3 -m venv venv
     - venv/bin/pip install --upgrade pip
     - venv/bin/pip install cibuildwheel==2.16.2
   run_cibuildwheel_script:
-    - bin/cibw.sh
+    - venv/bin/cibuildwheel --platform macos
   wheels_artifacts:
     path: "wheelhouse/*"