chore: remove unused updateViaSetter helper

src/core/utils.ts

@@ -68,11 +68,3 @@ export function registerWithParent(el: HTMLElement, obj: unknown) {
     }),
   );
 }
-
-export function updateViaSetter(obj: Record<string, unknown>, name: string, value: unknown) {
-  const prop = camelCase(name);
-  const setter = `set${prop.charAt(0).toUpperCase()}${prop.slice(1)}`;
-  if (typeof obj[setter] === 'function') {
-    (obj[setter] as (v: unknown) => void)(value ?? parseAttributeValue(name));
-  }
-}