did not add file, removing centerered

packages/grafana-ui/src/components/ValueMappingsEditor/ValueMappingsEditor.story.tsx

@@ -2,12 +2,9 @@ import React from 'react';
 import { storiesOf } from '@storybook/react';
 import { action } from '@storybook/addon-actions';
 import { ValueMappingsEditor } from './ValueMappingsEditor';
-import { withCenteredStory } from '../../utils/storybook/withCenteredStory';
 
 const ValueMappingsEditorStories = storiesOf('UI/ValueMappingsEditor', module);
 
-ValueMappingsEditorStories.addDecorator(withCenteredStory);
-
 ValueMappingsEditorStories.add('default', () => {
   return (
     <ValueMappingsEditor