more warnings cleared

canvas/src/textarea/highlight/state.rs

@@ -5,20 +5,12 @@ use super::engine::SyntectEngine;
 use crate::textarea::state::TextAreaState;
 
 // Remove Debug derive since TextAreaState doesn't implement Debug
+#[derive(Default)]
 pub struct TextAreaSyntaxState {
     pub textarea: TextAreaState,
     pub engine: SyntectEngine,
 }
 
-impl Default for TextAreaSyntaxState {
-    fn default() -> Self {
-        Self {
-            textarea: TextAreaState::default(),
-            engine: SyntectEngine::new(),
-        }
-    }
-}
-
 impl TextAreaSyntaxState {
     pub fn from_text<S: Into<String>>(text: S) -> Self {
         let mut s = Self::default();