fix(ssr): remove a not used method

Author: Ovilia

src/svg/graphic.ts

@@ -29,7 +29,7 @@ import mapStyleToAttrs from './mapStyleToAttrs';
 import { SVGVNodeAttrs, createVNode, SVGVNode, vNodeToString, BrushScope, META_DATA_PREFIX } from './core';
 import { MatrixArray } from '../core/matrix';
 import Displayable from '../graphic/Displayable';
-import { assert, clone, each, isFunction, isString, logError, map, retrieve2 } from '../core/util';
+import { assert, clone, isFunction, isString, logError, map, retrieve2 } from '../core/util';
 import Polyline from '../graphic/shape/Polyline';
 import Polygon from '../graphic/shape/Polygon';
 import { GradientObject } from '../graphic/Gradient';