Address review feedback.

src/components/About.jsx

@@ -1,5 +1,4 @@
 import React from 'react';
-import PropTypes from 'prop-types';
 import { I18n } from '@lingui/react';
 import { Trans, t } from '@lingui/macro';
 import {
@@ -87,9 +86,4 @@ class About extends React.Component {
   }
 }
 
-About.contextTypes = {
-  ansible_version: PropTypes.string,
-  version: PropTypes.string,
-};
-
 export default About;

src/components/Lookup/Lookup.jsx

@@ -58,7 +58,7 @@ class Lookup extends React.Component {
         <div className="pf-c-form-control">{this.wrapTags(this.props.data)}</div>
         <Modal
           className="awx-c-modal"
-          title={`Select ${this.props.lookup_header}`}
+          title={`Select ${this.props.lookupHeader}`}
           isOpen={isModalOpen}
           onClose={this.handleModalToggle}
         >