Presumably fixed the gh workflow

.github/workflows/jekyll-gh-pages.yml

@@ -28,8 +28,6 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: See tree
-        run: tree
       - name: Setup Pages
         uses: actions/configure-pages@v5
       - name: Create bin dir
@@ -39,9 +37,7 @@ jobs:
       - name: Create dir for mdbook
         run: mkdir -p ./docs/book
       - name: Build mdbook
-        run: ./bin/mdbook build ./docs --dest-dir ./docs/book
-      - name: Ensure mdbook is present
-        run: tree
+        run: ./bin/mdbook build ./docs
       - name: Build with Jekyll
         uses: actions/jekyll-build-pages@v1
         with: