feat: clean up unused files

Signed-off-by: Kamil Wolny <mrwolny@gmail.com>

plugins/github-issues/src/components/GitHubIssues/GitHubIssues.test.tsx

@@ -1,49 +0,0 @@
-/*
- * Copyright 2022 The Backstage Authors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-import React from 'react';
-import { GitHubIssues } from './GitHubIssues';
-import { ThemeProvider } from '@material-ui/core';
-import { lightTheme } from '@backstage/theme';
-import { rest } from 'msw';
-import { setupServer } from 'msw/node';
-import {
-  setupRequestMockHandlers,
-  renderInTestApp,
-} from '@backstage/test-utils';
-
-// test for repo duplicates
-
-describe('GitHubIssues', () => {
-  const server = setupServer();
-  // Enable sane handlers for network requests
-  setupRequestMockHandlers(server);
-
-  // setup mock response
-  beforeEach(() => {
-    server.use(
-      rest.get('/*', (_, res, ctx) => res(ctx.status(200), ctx.json({}))),
-    );
-  });
-
-  it('should render', async () => {
-    const rendered = await renderInTestApp(
-      <ThemeProvider theme={lightTheme}>
-        <GitHubIssues mode="card" />
-      </ThemeProvider>,
-    );
-    expect(rendered.getByText('Welcome to github-issues!')).toBeInTheDocument();
-  });
-});