refactor: remove unused components and clean up evaluation client

- Deleted CreateSkillForm and ProfileForm components as they are no longer needed.
- Removed the initializeEmptyEvaluation method from EvaluationClient, as the backend handles evaluation creation.
- Updated exports in evaluation index to reflect the removal of WelcomeEvaluationScreen.

components/evaluation/index.ts

@@ -2,7 +2,7 @@ export {
   EvaluationClientWrapper,
   useEvaluationContext,
 } from "./client-wrapper";
-export { WelcomeEvaluationScreen } from "./welcome-screen";
+
 export { EvaluationHeader } from "./evaluation-header";
 export { CategoryTabs } from "./category-tabs";
 export { SkillEvaluationGrid } from "./skill-evaluation-grid";