message: remove unused injectGlobal
diff: @@ -2,7 +2,6 @@ import React from 'react'
  import classnames from 'classnames'
  import PropTypes from 'prop-types'
  import sass from 'sass.macro'
  -import {injectGlobal} from 'emotion'
  import styled, {createGlobalStyle} from 'styled-components'
  import {COMMON} from './constants'
  import theme from './theme'
  