Simplify gh action as wheel is universal

.github/workflows/build.yml

@@ -26,22 +26,17 @@ jobs:
         with:
           python-version: '3.7'
 
-      - name: Install cibuildwheel
+      - name: Install wheel
         run: |
-          python -m pip install cibuildwheel==1.5.1
-
-      - name: Install Visual C++ for Python 2.7
-        if: runner.os == 'Windows'
-        run: |
-          choco install vcpython27 -f -y
+          python -m pip install setuptools wheel
 
       - name: Build wheels
         run: |
-          python -m cibuildwheel --output-dir wheelhouse
+          python -m pip wheel . -w wheelhouse
 
       - uses: actions/upload-artifact@v2
         with:
-          path: ./wheelhouse/*.whl
+          path: ./wheelhouse/megaradrp*.whl
 
   build_sdist:
     name: Build source distribution