How to remove comments if contains a string?

[realtebo]

While refactoring to change a name of a func call, I got a lot of comments with wrong func name (and also wrong doc).

To be honest, a string_replace is NOT enough in these case, so we want to delete all comment block where a string matches a searched one.

What node type should I use in getNodeTypes of my custom rule?

And what to return to simply remove the node?
I cannot return null, because this means "do not change node"