feat: remove python 2 support

Author: Nick MacCarthy

.github/workflows/release.yaml

@@ -8,14 +8,6 @@ jobs:
     runs-on: ubuntu-20.04
     steps:
       - uses: actions/checkout@v2
-      - name: install python2 for ubuntu
-        run: sudo apt install python2
-      - name: get pip script for python2
-        run: curl https://bootstrap.pypa.io/pip/2.7/get-pip.py --output get-pip.py
-      - name: install pip for python2
-        run: sudo python2 get-pip.py
-      - name: install requirements for python2
-        run: pip2 install -r requirements-2.txt
       - name: install requirements for python3
         run: pip3 install -r requirements-3.txt
       - name: package and upload python3
@@ -24,6 +16,5 @@ jobs:
           TWINE_PASSWORD: ${{ secrets.PYPI_API_TOKEN }}
           PYTHON_DATEMATH_VERSION: ${{ github.event.release.tag_name }}
         run: |
-          python2.7 setup.py sdist bdist_wheel
           python3 setup.py sdist bdist_wheel
           twine upload dist/*