arrow

MINOR: [CI] Remove paleolimbot from codeowners (#43253)

This is part of a larger effort in reconfiguring my personal GitHub notification strategy. I'm still happy to be pinged on any R things as required!

### What changes are included in this PR?

Remove myself from the CODEOWNERS file

### Are these changes tested?

Not needed!

### Are there any user-facing changes?

Nope!

Authored-by: Dewey Dunnington <dewey@voltrondata.com>
Signed-off-by: Raúl Cumplido <raulcumplido@gmail.com>