message: fix(Uploader): uploader-delete-icon-size should affect icon size
diff: &-icon {
  position: absolute;
  - top: -2px;
  - right: -2px;
  + top: 0;
  + right: 0;
  color: #fff;
  color: var(--van-uploader-delete-color);
  - font-size: 16px;
  - transform: scale(0.5);
  + font-size: var(--van-uploader-delete-icon-size);
  + transform: scale(0.7) translate(10%, -10%);
  }
  }
  