docs: remove activeIndex from pie props (#362)

Co-authored-by: Coltin Kifer <[email protected]>

Author: ckifer

src/docs/api/Pie.ts

@@ -180,22 +180,6 @@ export default {
         'zh-CN': '源数据，对象数组。',
       },
     },
-    {
-      name: 'activeIndex',
-      type: 'Array',
-      defaultVal: 'null',
-      isOptional: false,
-      desc: {
-        'en-US': 'The index of active sector in Pie, this option can be changed in mouse event handlers.',
-        'zh-CN': '用来表示激活楔子的序号。可以通过自定义事件来指定这个值。',
-      },
-      examples: [
-        {
-          name: 'A pie chart with customized active shape',
-          url: '/examples/CustomActiveShapePieChart',
-        },
-      ],
-    },
     {
       name: 'activeShape',
       type: 'Object | ReactElement | Function',