Centralize clippy lints in .cargo/config.toml

widget/src/text_input/value.rs

@@ -89,11 +89,6 @@ impl Value {
         Self { graphemes }
     }
 
-    /// Converts the [`Value`] into a `String`.
-    pub fn to_string(&self) -> String {
-        self.graphemes.concat()
-    }
-
     /// Inserts a new `char` at the given grapheme `index`.
     pub fn insert(&mut self, index: usize, c: char) {
         self.graphemes.insert(index, c.to_string());
@@ -131,3 +126,9 @@ impl Value {
         }
     }
 }
+
+impl std::fmt::Display for Value {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        f.write_str(&self.graphemes.concat())
+    }
+}