chore : remove class-transformer

dto/playerresponse.dto.ts

@@ -1,16 +1,12 @@
-import { Expose, Type } from 'class-transformer';
 import { UserResponseDTO } from './userresponse.dto';
 
 export class PlayerResponseDTO {
   constructor(partial: Partial<PlayerResponseDTO>) {
     Object.assign(this, partial);
-    this.user = partial.user;
+    this.user = new UserResponseDTO(partial.user);
   }
 
-  @Type(() => UserResponseDTO)
-  @Expose()
   user: UserResponseDTO;
 
-  @Expose()
   score: number;
 }