ci: remove branch cleanup action (#1471)

Author: acao

.github/workflows/ci-merge.yml

@@ -2,14 +2,15 @@ name: Node.JS CI
 on: [push, pull_request]
 jobs:
   test:
-    name: lint & test
+    name: Lint & Test
     runs-on: ubuntu-16.04
     steps:
       - uses: actions/checkout@v1
       - uses: bahmutov/npm-install@v1
       - run: yarn ci && node_modules/.bin/codecov
+
   e2e:
-    name: cypress
+    name: Cypress
     runs-on: ubuntu-16.04
     steps:
       - uses: actions/checkout@v1

.github/workflows/ci.yml

@@ -0,0 +1 @@
+lts/stable