Remove cache and artifacts from circleci

It was not working.

.circleci/config.yml

@@ -8,20 +8,9 @@ jobs:
       - run:
           name: update-yarn
           command: 'curl --compressed -o- -L https://yarnpkg.com/install.sh | bash'
-      - restore_cache:
-          key: dependency-cache-{{ checksum "package-lock.json" }}
       - run:
           name: install-yarn
           command: yarn install
-      - save_cache:
-          key: dependency-cache-{{ checksum "package-lock.json" }}
-          paths:
-            - ./node_modules
       - run:
           name: test
           command: yarn test
-      - store_artifacts:
-          path: test-results.xml
-          prefix: tests
-      - store_test_results:
-          path: test-results.xml