Remove esy from CI

Author: ulrikstrid

.circleci/config.yml

@@ -27,15 +27,3 @@ jobs: # a collection of steps
       - run: # run tests
           name: test
           command: npm test
-
-      - run:
-          name: Install esy
-          command: sudo npm -g install esy@latest --unsafe-perm
-
-      - run:
-          name: Install dependencies
-          command: esy install
-
-      - run:
-          name: Build with esy
-          command: esy build