Remove CharacterComponent and CharacterDetail components

- Deleted `CharacterComponent` and `CharacterDetail` files from the project.
- Refactored related logic to improve code maintainability and reduce redundancy.

app/globals.css

@@ -251,10 +251,6 @@ body {
     border: none !important;
 }
 
-.setting-container {
-    height: calc(100vh - 10rem);
-}
-
 .composer-panel-h {
     height: calc(100vh - 8rem);
 }