Removed separate CI buil step to run utests

Author: emanlove

.github/workflows/CI.yml

@@ -42,10 +42,6 @@ jobs:
       if: matrix.python-version != 'pypy3'
       run: |
         invoke gen-stub
-    - name: Run unit tests with ${{ matrix.python-version }}
-      if: matrix.python-version != 'pypy3'
-      run: |
-        python utest/run.py
     - name: Run tests with headless Chrome and with Python != 3.8
       if: matrix.python-version != '3.8'
       run: |