message: fix(exchange): lint
diff: @@ -3,7 +3,6 @@ import BN from 'bn.js';
  import { Transform, Exclude } from 'class-transformer';
  import { Column, Entity, ManyToOne, PrimaryGeneratedColumn } from 'typeorm';
  -import { Validate } from 'class-validator';
  import { BNTransformer } from '../../utils/valueTransformers';
  import { Asset } from '../asset/asset.entity';
  import { Bundle } from './bundle.entity';
  