Revert "Add windows into Github actions test matrix"

This reverts commit 9092760.

Author: threeplanetssoftware

.github/workflows/ruby.yml

@@ -14,7 +14,7 @@ jobs:
   test:
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest, macos-latest]
         ruby-version: ['3.0', '3.1', '3.2', '3.3']
 
     runs-on: ${{ matrix.os }}