Documentation Fix for WritingTests.mdx (#4471)

Author: Offpics

docs/usage/WritingTests.mdx

@@ -456,7 +456,6 @@ export type AppDispatch = AppStore['dispatch']
 import React, { PropsWithChildren } from 'react'
 import { render } from '@testing-library/react'
 import type { RenderOptions } from '@testing-library/react'
-import { configureStore } from '@reduxjs/toolkit'
 import type { PreloadedState } from '@reduxjs/toolkit'
 import { Provider } from 'react-redux'
 
@@ -530,7 +529,6 @@ export type AppDispatch = AppStore['dispatch']
 import React, { PropsWithChildren } from 'react'
 import { render } from '@testing-library/react'
 import type { RenderOptions } from '@testing-library/react'
-import { configureStore } from '@reduxjs/toolkit'
 import type { PreloadedState } from '@reduxjs/toolkit'
 import { Provider } from 'react-redux'