refactor(ci): comment out fallback artifact download step in documentation build workflow for clarity

Author: JakubAndrysek

.github/workflows/docs_build.yml

@@ -57,13 +57,13 @@ jobs:
           path: docs_binaries
           lookup-only: false
 
-      - name: Download docs binaries artifact (fallback)
-        if: steps.cache-restore.outputs.cache-hit != 'true'
-        uses: actions/download-artifact@95815c38cf2ff2164869cbab79da8d1f422bc89e # v4.2.1
-        with:
-          name: docs-binaries-macos
-          path: docs_binaries
-        continue-on-error: true
+      # - name: Download docs binaries artifact (fallback)
+      #   if: steps.cache-restore.outputs.cache-hit != 'true'
+      #   uses: actions/download-artifact@95815c38cf2ff2164869cbab79da8d1f422bc89e # v4.2.1
+      #   with:
+      #     name: docs-binaries-macos
+      #     path: docs_binaries
+      #   continue-on-error: true
 
       - name: Debug - List cached binaries structure
         run: |