chore: temporarily disable vale check (#1489)

Author: devalog

.github/workflows/vale.yml

@@ -1,24 +0,0 @@
-name: Vale style check
-on: 
-  pull_request:
-    paths:
-      - '**.mdx'
-      - '**.md'
-      - '.vale/**'
-      - '.vale.ini'
-      - '!**/changelog/**'
-
-jobs:
-  vale:
-    runs-on: ubuntu-latest
-    if: |
-      github.event.pull_request.user.login != 'fern-support' &&
-      github.event.pull_request.user.login != 'github-actions'
-    steps:
-      - uses: actions/checkout@v4
-      
-      - uses: errata-ai/vale-action@reviewdog
-        with:
-          files: fern
-        env:
-          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}