Update unit-test.yml

Author: danny-1k

.github/workflows/unit-test.yml

@@ -16,7 +16,6 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install unittest
         if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
     - name: Test
       run: |