[router] remove old/oudated/useless comments across code base (#10968)

sgl-router/src/tool_parser/parsers/llama_parser.rs

@@ -139,7 +139,6 @@ mod tests {
     async fn test_single_call_with_semicolon() {
         let parser = LlamaParser::new();
         // Note: Llama 3.2 doesn't handle multiple calls well
-        // Test that we can at least parse a single call followed by semicolon
         let input = r#"<|python_tag|>{"name": "func1", "arguments": {"x": 1}};"#;
 
         let result = parser.parse_complete(input).await.unwrap();

sgl-router/src/tool_parser/parsers/pythonic_parser.rs

@@ -102,7 +102,6 @@ impl PythonicParser {
                             if bracket_count == 0 {
                                 // Found the matching bracket
                                 let extracted: String = chars[start_idx..=i].iter().collect();
-                                // Verify this actually contains a function call
                                 if extracted.contains('(') && extracted.contains(')') {
                                     return Some(extracted);
                                 }