revert(storybook): remove wrong files

Author: matteovivona

.storybook/config.js

@@ -1,7 +1,6 @@
 import React from 'react'
 import { configure, addParameters, addDecorator } from '@storybook/react'
 import { withInfo } from '@storybook/addon-info'
-import { configureReadme } from 'storybook-readme'
 import { create } from '@storybook/theming'
 
 addDecorator(withInfo)

package.json

@@ -126,7 +126,6 @@
     "sass-loader": "~9.0.2",
     "semantic-release": "~17.1.0",
     "sinon": "~9.0.0",
-    "storybook-readme": "~5.0.8",
     "tsdx": "~0.13.2",
     "tslib": "~2.0.0",
     "typescript": "~3.8.2"