message: style: remove unused code
diff: @@ -20,7 +20,7 @@ import {
  createSVGVNode
  } from './core';
  import { normalizeColor, encodeBase64 } from './helper';
  -import { defaults, extend, keys, logError, map, retrieve2 } from '../core/util';
  +import { extend, keys, logError, map, retrieve2 } from '../core/util';
  import Path from '../graphic/Path';
  import patch, { updateAttrs } from './patch';
  import { getSize } from '../canvas/helper';
  