chore(CI): remove registry-url as unnecessary

Author: kkweon

.github/workflows/ci.yml

@@ -12,11 +12,9 @@ jobs:
     steps:
       - uses: actions/checkout@v2
 
-      # Setup .npmrc file to publish to npm
       - uses: actions/setup-node@v2
         with:
           node-version: '14.x'
-          registry-url: 'https://registry.npmjs.org'
 
       # install protoc
       - uses: arduino/setup-protoc@master