fix(doc): minor lint fixes (#470)

Signed-off-by: leofvo <[email protected]>

Signed-off-by: leofvo <[email protected]>

.github/workflows/build.yml

@@ -87,8 +87,6 @@ jobs:
 
       - name: Run rustdoc lints
         uses: actions-rs/cargo@v1
-        env:
-          RUSTDOCFLAGS: '-D missing_docs -D rustdoc::missing_doc_code_examples'
         with:
           command: doc
           args: --workspace --all-features --no-deps --document-private-items