refactor: remove redundant configure_options and default_options methods

Co-authored-by: aider (openai/andrew/openrouter/deepseek/deepseek-chat-v3.1) <aider@aider.chat>

src/meta_plugin/binary.rs

@@ -153,12 +153,4 @@ impl MetaPlugin for BinaryMetaPlugin {
         self.base.options_mut()
     }
     
-    fn configure_options(&mut self, options: &std::collections::HashMap<String, serde_yaml::Value>) -> anyhow::Result<()> {
-        if let Some(max_buffer_size) = options.get("max_buffer_size") {
-            if let Some(size) = max_buffer_size.as_u64() {
-                self.max_buffer_size = size as usize;
-            }
-        }
-        Ok(())
-    }
 }