style: Cleaned up some minor styling issues

.github/workflows/ci.yaml

@@ -36,10 +36,6 @@ jobs:
 
     - uses: Swatinem/rust-cache@v2
 
-    # The extension directory is DuckDB-version-specific (v<x.y.z>/<platform>/), so the
-    # key is derived from Cargo.lock, which pins the duckdb crate. A hardcoded version in
-    # the key would keep hitting after a crate bump and, because an exact hit skips the
-    # save, the new extensions would be re-downloaded on every run and never cached.
     - name: Cache DuckDB Extensions
       id: duckdb-extensions
       uses: actions/cache@v4
@@ -47,10 +43,6 @@ jobs:
         path: ~/.duckdb/extensions
         key: duckdb-ext-${{ matrix.os }}-${{ hashFiles('Cargo.lock') }}
 
-    # Populates the cache on a miss: opening a DuckDB store installs vss and fts when
-    # they are absent, and the post-job save then has something to store. Runs the
-    # DuckDB tests only, so a download failure is reported here rather than as a wall of
-    # unrelated-looking test failures.
     - name: Install DuckDB Extensions
       if: steps.duckdb-extensions.outputs.cache-hit != 'true'
       run: cargo test --all duckdb