circleci use default remote docker image

Signed-off-by: hwassman <[email protected]>

Author: Helene

.circleci/config.yml

@@ -24,8 +24,7 @@ jobs:
             . venv/bin/activate
             flake8 --max-line-length=999 --ignore=E731,E741,E712,E722,W503 --exclude=venv* --statistics
             nose2
-      - setup_remote_docker:
-          version: 20.10.17
+      - setup_remote_docker
       - run:
           name: Build Docker image
           command: |