Remove React, PureComponent global import, added those imports to files directly

• Remove:
- React, PureComponent global import and added those imports to files directly

app/javascript/gabsocial/features/group_about.js

@@ -1,3 +1,4 @@
+import React from 'react'
 import ImmutablePropTypes from 'react-immutable-proptypes'
 import ImmutablePureComponent from 'react-immutable-pure-component'
 import isObject from 'lodash.isobject'
@@ -9,7 +10,6 @@ import {
 	GroupInfoPanel
 } from '../features/ui/util/async_components'
 
-
 const mapStateToProps = (state, { params }) => {
 	const groupId = isObject(params) ? params['id'] : null
 	const group = state.getIn(['groups', groupId])