fix eslint raised issues

ui/src/components/list/group-view.js

@@ -1,6 +1,5 @@
 const constants = require('../../shared/constants');
 const fns = require('../../shared/functions');
-const React = require('react');
 const View = require('./view').raw;
 const Styled = require('styled-components');
 

ui/src/components/list/item.js

@@ -15,8 +15,7 @@ const {
 } = fns;
 
 const {
-  default: styled,
-  css
+  default: styled
 } = Styled;
 
 const paper = `

ui/src/components/list/subtitle.js

@@ -18,7 +18,7 @@ const {
 
 const padding = (props) => !props.collapsed
   ? `0 ${remcalc(18)}`
-  : `0`;
+  : 0;
 
 const color = (props) => props.fromHeader
   ? colors.brandPrimaryColor

ui/src/components/list/view.js

@@ -34,6 +34,10 @@ const View = (props) => (
   </StyledView>
 );
 
+View.propTypes = {
+  children: React.PropTypes.node
+};
+
 module.exports = transferProps([
   'collapsed',
   'headed',

ui/stories/index.js

@@ -661,7 +661,7 @@ storiesOf('ListItem', module)
               </ListItemOutlet>
             </ListItemView>
           </ListItem>
-          <ListItem stacked flat>
+          <ListItem flat stacked>
             <ListItemView>
               <ListItemMeta>
                 <ListItemTitle>percona_database</ListItemTitle>