remove --docs cfg to fix docsrs building (#4788)

.github/workflows/publish.yml

@@ -155,7 +155,7 @@ jobs:
 
   #     # Build the docs here too before publishing, to ensure they're up to date
   #     - name: cargo doc
-  #       run: RUSTDOCFLAGS="--cfg docsrs" cargo doc --no-deps --workspace --all-features
+  #       run: cargo doc --no-deps --workspace --all-features
 
   #     - name: Publish to crates.io
   #       run: |