simplify comments

Author: zfarrell

src/parse_tables.cpp

@@ -145,15 +145,11 @@ static void ExtractTablesFromQueryNode(
             ExtractTablesFromRef(*select_node.from_table, results, context, true, &select_node.cte_map);
         }
     } 
-    // for ctes, we need an extra step to extract the cte body, and then the rest of the statement
-    // don't actually record any details from this node in the result otherwise it will be duplicated in the recursive calls below.
+    // additional step necessary for duckdb v1.4.0: unwrap CTE node
     else if (node.type == QueryNodeType::CTE_NODE) {
         auto &cte_node = (CTENode &)node;
 
-        // Extract tables from the child query (the main query that uses the CTE)
         if (cte_node.child) {
-            // Pass the existing CTE map to the child query
-            // The current CTE will be available for reference in the child
             ExtractTablesFromQueryNode(*cte_node.child, results, context, cte_map);
         }
     }