Remove postgres dependnecies

Author: Ivaylo-Bachvarov

.github/workflows/django.yml

@@ -33,8 +33,6 @@ jobs:
       uses: actions/setup-python@v2
       with:
         python-version: 3.10.2
-    - name: psycopg2 prerequisites
-      run: sudo apt-get install python-dev libpq-dev
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip