CI: Remove windows from build matrix

ryp2 currently does not install on windows runner

Change-Id: I3abcd4b8139aea14ab49286e724e006eb3e3167c
diff --git a/.github/workflows/pythonpackage.yml b/.github/workflows/pythonpackage.yml
index bd4776f..0295377 100644
--- a/.github/workflows/pythonpackage.yml
+++ b/.github/workflows/pythonpackage.yml
@@ -12,7 +12,7 @@
       matrix:
         python-version: ['3.9', '3.11', '3.12']
         r-version: [release]
-        os: [windows-latest, macOS-latest, ubuntu-latest]
+        os: [macOS-latest, ubuntu-latest]
     steps:
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}