really remove pypy

Author: rflamary

.github/workflows/build_wheels.yml

@@ -39,7 +39,7 @@ jobs:
 
     - name: Build wheel
       env:
-        CIBW_SKIP: "pp*-win* pp*-macosx* cp2* pp2*" # remove pypy on mac and win (wrong version)
+        CIBW_SKIP: "pp*-win* pp*-macosx* cp2* pp*" # remove pypy on mac and win (wrong version)
         CIBW_BEFORE_BUILD: "pip install numpy cython"
       run: |
         python -m cibuildwheel --output-dir wheelhouse