I created FUNDING.yml

### Is there an existing issue for this?

- [x] I have searched the existing issues

### Current behaviour

I have created the files `.github/FUNDING.yml` in all your repos by mistake (by a script).

Feel free to revoke write access from me.

### Expected behaviour

No such files pointing to me.

### Steps to reproduce

n/a

### Relevant log output

_No response_

### How did you obtain Bitcoin Core

Compiled from source

### What version of Bitcoin Core are you using?

master

### Operating system and version

Ubuntu

### Machine specifications

_No response_

Start by inspecting .github/FUNDING.yml and confirm that it contains the unwanted funding reference. Remove the file or reference as appropriate, then verify that the repository no longer contains a FUNDING.yml pointing to the reporter.

Written by the indexing model from the issue text.