Cleanup references to the instana topology in the README.
There are some references in the README for topology cleanup, that is still relevant so that didn't get removed
When working with the instana contact, the reference to 'instana-topology' in generictopologyprocessor-deployment.yaml is still required, so that wasn't removed
Cleanup references to the instana topology in the README.
'instana-topology'ingenerictopologyprocessor-deployment.yamlis still required, so that wasn't removed