Revert "Checkout the new repo before using the Github action"

This reverts commit 90a9900.

Author: xavierfoucrier

.github/workflows/deploy-docs.yml

@@ -25,10 +25,6 @@ jobs:
           cd docs/.vuepress/dist
           git init
 
-      - uses: actions/checkout@v2
-        with:
-          path: "./docs/.vuepress/dist"
-
       - name: Commit changes
         uses: EndBug/add-and-commit@master
         with: