Revert "feat: copilot frontend e2e (#7694)"

This reverts commit d71852789f.

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

@@ -17,10 +17,6 @@ inputs:
     description: 'Download the Electron binary'
     required: false
     default: 'true'
-  corepack-install:
-    description: 'Install CorePack'
-    required: false
-    default: 'false'
   hard-link-nm:
     description: 'set nmMode to hardlinks-local in .yarnrc.yml'
     required: false
@@ -46,11 +42,6 @@ runs:
         registry-url: https://npm.pkg.github.com
         scope: '@toeverything'
 
-    - name: Init CorePack
-      if: ${{ inputs.corepack-install == 'true' }}
-      shell: bash
-      run: corepack enable
-
     - name: Set nmMode
       if: ${{ inputs.hard-link-nm == 'false' }}
       shell: bash