Move date range selection into redux.

components/metrics/OSTable.js

@@ -2,15 +2,13 @@ import React from 'react';
 import MetricsTable from './MetricsTable';
 import { osFilter } from 'lib/filters';
 
-export default function OSTable({ websiteId, startDate, endDate, limit, onExpand }) {
+export default function OSTable({ websiteId, limit, onExpand }) {
   return (
     <MetricsTable
       title="Operating System"
       type="os"
       metric="Visitors"
       websiteId={websiteId}
-      startDate={startDate}
-      endDate={endDate}
       limit={limit}
       dataFilter={osFilter}
       onExpand={onExpand}