refactor: rm usless code

Author: xyy94813

src/libs/getComponentNameFromType.js

@@ -4,12 +4,11 @@
  * @flow
  */
 
-import type { Context, StatelessFunctionalComponent } from 'react';
+import type { Context } from 'react';
 import { Fragment } from 'react';
 import {
   ContextConsumer,
   ContextProvider,
-  Element,
   ForwardRef,
   Portal,
   Memo,