simplify ci (compas_rrc released a long time ago)

.github/workflows/workflow.yml

@@ -27,18 +27,9 @@ jobs:
 
       -
         name: Install dependencies
-        env:
-          COMPAS_RRC_VER: v1.0.0
-          RRC_USERNAME: ${{ secrets.rrc_username }}
-          RRC_PASSWORD: ${{ secrets.rrc_password }}
         run: |
-          python -m pip install --upgrade pip
-          python -m pip install cython --install-option="--no-cython-compile"
           python -m pip install wheel  # https://stackoverflow.com/questions/34819221
-          # Install first since, compas_rrc pulls compas_fab==0.12
-          python -m pip install compas_fab==0.11.0
-          mkdir ~/.ssh && ssh-keyscan -t rsa bitbucket.org >> ~/.ssh/known_hosts
-          pip install git+https://"$RRC_USERNAME":"$RRC_PASSWORD"@bitbucket.org/ethrfl/compas_rrc.git@"$COMPAS_RRC_VER"#egg=compas_rrc
+          python -m pip install cython
 
       -
         name: Install