remove unneeded reference

Author: reldredge71

src/components/Contacts/ContactDetails/ContactDetailsHeader/ContactDetailsHeader.tsx

@@ -1,6 +1,5 @@
 import { Box } from '@material-ui/core';
 import React from 'react';
-import theme from '../../../../theme';
 
 import { useGetContactDetailsHeaderQuery } from './ContactDetailsHeader.generated';