message: remove merge box status examples from StateLabel example
diff: @@ -420,18 +420,6 @@ const Index = props => (
  </StateLabel>
  </span>
  </Block>
  - <Block>
  - <Heading tag="h2" mb={1}>Merge Box Status</Heading>
  - <span className='mr-2'>
  - <StateLabel scheme="green" small icon={<Octicon name='git-merge'/>}/>
  - </span>
  - <span className='mr-2'>
  - <StateLabel scheme="purple" small icon={<Octicon name='git-merge'/>}/>
  - </span>
  - <span className='mr-2'>
  - <StateLabel scheme="invalid" small icon={<Octicon name='git-merge'/>}/>
  - </span>
  - </Block>
  </Block>
  </Detail>
  </Example>
  