chore(lighthouse): need to rewrite some of these tests to remove the jest-fetch-mock dependency

plugins/gitops-profiles/src/components/ProfileCatalog/ProfileCatalog.test.tsx

@@ -16,7 +16,6 @@
 
 import React from 'react';
 import { render } from '@testing-library/react';
-import mockFetch from 'jest-fetch-mock';
 import ProfileCatalog from './ProfileCatalog';
 import { ThemeProvider } from '@material-ui/core';
 import { lightTheme } from '@backstage/theme';
@@ -45,7 +44,6 @@ describe('ProfileCatalog', () => {
         }),
       ],
     ]);
-    mockFetch.mockResponse(() => new Promise(() => {}));
     const rendered = render(
       <ThemeProvider theme={lightTheme}>
         <ApiProvider apis={apis}>