update 优化类型转换逻辑、删除冗余代码

ruoyi-modules/ruoyi-system/src/main/java/org/dromara/system/service/impl/SysUserServiceImpl.java

@@ -623,23 +623,6 @@ public class SysUserServiceImpl implements ISysUserService, UserService {
         return ObjectUtils.notNullGetter(sysUser, SysUser::getEmail);
     }
 
-    /**
-     * 通过用户ID查询用户详细信息
-     *
-     * @param userId 用户id
-     * @return 用户详细信息
-     */
-    @Override
-    public UserDTO selectUserDtoById(Long userId) {
-        SysUser sysUser = baseMapper.selectOne(new LambdaQueryWrapper<SysUser>()
-            .select(SysUser::getUserId, SysUser::getDeptId, SysUser::getUserName,
-                SysUser::getNickName, SysUser::getUserType, SysUser::getEmail,
-                SysUser::getPhonenumber, SysUser::getSex, SysUser::getStatus,
-                SysUser::getCreateTime)
-            .eq(SysUser::getUserId, userId));
-        return BeanUtil.toBean(sysUser, UserDTO.class);
-    }
-
     /**
      * 通过用户ID查询用户列表
      *