remove macosx

Author: rflamary

.github/workflows/build_wheels.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-18.04, windows-latest, macos-latest]
+        os: [ubuntu-18.04, windows-latest]
 
     steps:
     - uses: actions/checkout@v1