Update plugins/code-coverage-backend/README.md

Signed-off-by: Patrik Oldsberg <poldsberg@gmail.com>

plugins/code-coverage-backend/README.md

@@ -74,20 +74,7 @@ The code coverage backend plugin has support for the [new backend system](https:
 In your `packages/backend/src/index.ts` make the following changes:
 
 ```diff
-  import { createBackend } from '@backstage/backend-defaults';
-+ import { codeCoveragePlugin } from '@backstage/plugin-code-coverage-backend';
-  const backend = createBackend();
-  // ... other feature additions
-+ backend.add(codeCoveragePlugin());
-  backend.start();
-```
-
-Alternatively, you can actually remove the import line above, and do this instead.
-
-```diff
-  backend.add(explorePlugin());
 + backend.add(import('@backstage/plugin-explore-backend'));
-
 ```
 
 ## Configuring your entity