remove old test for default python version

.github/workflows/test-python.yml

@@ -13,26 +13,6 @@ on:
   workflow_dispatch:
 
 jobs:
-  default-version:
-    name: Setup default version
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [macos-latest, windows-latest, ubuntu-18.04, ubuntu-20.04]
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v3
-
-    - name: setup default python 
-      uses: ./
-
-    - name: Validate version
-      run: python --version
-
-    - name: Run simple python code
-      run: python -c 'import math; print(math.factorial(5))'
-
   setup-versions-from-manifest:
     name: Setup ${{ matrix.python }} ${{ matrix.os }}
     runs-on: ${{ matrix.os }}