Remove User and AdminUser controllers; update import paths in UserModule to reflect new directory structure.

src/modules/users/user.module.ts

@@ -1,6 +1,6 @@
 import { Module } from '@nestjs/common';
 import { UserService } from './user.service';
-import { AdminUserController } from './adminUser.controller';
+import { AdminUserController } from './controllers/adminUser.controller';
 import { MikroOrmModule } from '@mikro-orm/nestjs';
 import { User } from './entities/user.entity';
 import { JwtModule } from '@nestjs/jwt';