refactor(infra): remove old plugin system (#5411)

plugin system need redesign

.github/actions/setup-node/action.yml

@@ -25,10 +25,6 @@ inputs:
     description: 'Build infra'
     required: false
     default: 'true'
-  build-plugins:
-    description: 'Build plugins'
-    required: false
-    default: 'true'
   nmHoistingLimits:
     description: 'Set nmHoistingLimits in .yarnrc.yml'
     required: false
@@ -195,8 +191,3 @@ runs:
       shell: bash
       if: inputs.build-infra == 'true'
       run: yarn run build:infra
-
-    - name: Build Plugins
-      if: inputs.build-plugins == 'true'
-      shell: bash
-      run: yarn run build:plugins