Fix CircleCI v2.

Author: michal-damiecki

.circleci/config.yml

@@ -2,26 +2,13 @@ version: 2.1
 
 jobs:
   test:
-    docker:
-      - image: circleci/node:12.9.1-browsers
-
-    working_directory: ~/repo
+    node:
+      version: 12.0.0
     steps:
       - checkout
-      - restore_cache:
-          keys:
-            - v1-dependencies-{{checksum "package.json"}}
-            - v1-dependencies-
       - run:
           name: install packages
           command: npm install
-
-      - save_cache:
-          key: v1-dependencies-{{checksum "package.json"}}
-          paths:
-            - node_modules
-            - ~/.npm
-            - ~/.cache
       - run:
           name: Run lint
           command: npm run lint