Update .github/workflows/CI.yml

Author: ChrisRackauckas

.github/workflows/CI.yml

@@ -30,10 +30,6 @@ jobs:
         with:
           python-version: ${{ matrix.python-version }}
           architecture: ${{ matrix.architecture }}
-      - name: Setup Julia
-        uses: julia-actions/setup-julia@v2
-        with:
-          version: '1'
       - name: Install tox
         run: |
           python -m pip install --upgrade pip