chore: Remove funding

As more people are stepping over, I don't think it is fair to ask for
funding personally.

.github/FUNDING.yml

@@ -1,6 +1,6 @@
 # These are supported funding model platforms
 
-github: [hkupty]
+github: # []
 patreon: # Replace with a single Patreon username
 open_collective: # Replace with a single Open Collective username
 ko_fi: # Replace with a single Ko-fi username

README.md

@@ -1,6 +1,5 @@
 # iron.nvim
 
-[![Sponsor me](https://img.shields.io/github/sponsors/hkupty?style=flat-square)](https://github.com/sponsors/hkupty)
 [![Chat on Matrix](https://matrix.to/img/matrix-badge.svg)](https://matrix.to/#/#iron.nvim:matrix.org)
 
 Interactive Repls Over Neovim
@@ -237,10 +236,3 @@ repl_open_cmd = view.offset{
   h_offset = view.helpers.flip(2)
 }
 ```
-
-## Support iron.nvim
-
-iron.nvim is developed and maintained by [@hkupty](https://github.com/sponsors/hkupty).
-Please consider sponsoring the development of iron.
-Alternatively, pay me a coffee by sending me some BTC in `1Dnb3onNAc4XK4FL8cp7NAQ2NFspTZLNRi`.
-Cheers!