[improvement] Remove create & i18 mixin (#2670)

packages/utils/create-basic.js

@@ -1,18 +0,0 @@
-/**
- * Create a basic component with common options
- */
-import useSfc from './use/sfc';
-import useBem from './use/bem';
-import i18n from '../mixins/i18n';
-import { isDef } from '.';
-
-export default function (sfc) {
-  sfc = useSfc('van-' + sfc.name)(sfc);
-  sfc.mixins = sfc.mixins || [];
-  sfc.mixins.push(i18n);
-  sfc.methods = sfc.methods || {};
-  sfc.methods.isDef = isDef;
-  sfc.methods.b = useBem(sfc.name);
-
-  return sfc;
-}

packages/utils/create.js

@@ -1,18 +0,0 @@
-/**
- * Create a component with common options
- */
-import createBasic from './create-basic';
-import Icon from '../icon';
-import Loading from '../loading';
-import Cell from '../cell';
-import CellGroup from '../cell-group';
-
-export default function (sfc) {
-  sfc.components = Object.assign(sfc.components || {}, {
-    Icon,
-    Loading,
-    Cell,
-    CellGroup
-  });
-  return createBasic(sfc);
-}