removing windows testing

Author: lalmei

.github/workflows/continuous-integration.yml

@@ -15,7 +15,7 @@ jobs:
       max-parallel: 4
       matrix:
         python-version: [3.6, 3.7, 3.8]
-        os: [ubuntu-latest, macOS-latest, windows-latest]
+        os: [ubuntu-latest, macOS-latest]
 
     steps:
     - uses: actions/checkout@v2