remove unused import

src/components/theme/SearchWidget/SearchWidget.jsx

@@ -1,5 +1,5 @@
 import { useState, useEffect } from 'react';
-import { useHistory, useLocation } from 'react-router-dom';
+import { useHistory } from 'react-router-dom';
 import { Form, Input } from 'semantic-ui-react';
 import { defineMessages, useIntl } from 'react-intl';
 import { useDispatch, useSelector } from 'react-redux';