message: chore(Picker): remove unused var
diff: // Utils
  import { createNamespace, isObject } from '../utils';
  import { preventDefault } from '../utils/dom/event';
  -import { BORDER_TOP_BOTTOM, BORDER_UNSET_TOP_BOTTOM } from '../utils/constant';
  +import { BORDER_UNSET_TOP_BOTTOM } from '../utils/constant';
  import { pickerProps } from './shared';
  // Components
  