ci(docs.yml): Don't copy images folder

.github/workflows/docs.yml

@@ -14,7 +14,7 @@ jobs:
 
       - name: MkDocs
         run: |
-          cp -rf README.md images docs
+          cp -rf README.md docs
           docker login docker.pkg.github.com --username $GITHUB_ACTOR --password ${{ secrets.GITHUB_TOKEN }}
           docker run --rm -v ${PWD}:/docs docker.pkg.github.com/emacs-lsp/docs-image/docs-image -- build