ci: remove unused unit test code coverage

This is not saved anywhere and it currently doesn't support native async/await.

Author: clydin

.circleci/config.yml

@@ -66,7 +66,7 @@ jobs:
     <<: *defaults
     steps:
       - attach_workspace: *attach_options
-      - run: npm run test -- --code-coverage --full
+      - run: npm run test -- --full
 
   test-large:
     <<: *defaults
@@ -75,7 +75,7 @@ jobs:
     steps:
       - attach_workspace: *attach_options
       - run: npm run webdriver-update-circleci
-      - run: npm run test-large -- --code-coverage --full --nb-shards=${CIRCLE_NODE_TOTAL} --shard=${CIRCLE_NODE_INDEX}
+      - run: npm run test-large -- --full --nb-shards=${CIRCLE_NODE_TOTAL} --shard=${CIRCLE_NODE_INDEX}
 
   e2e-cli:
     <<: *defaults