MINOR: [Dev] Remove maplefu as collaborator (apache#38397)

### Rationale for this change

@ mapleFU is committer now 🎉 

### What changes are included in this PR?

Remove from list of collaborators.

### Are these changes tested?

No

### Are there any user-facing changes?

No

Authored-by: Raúl Cumplido <raulcumplido@gmail.com>
Signed-off-by: mwish <maplewish117@gmail.com>

.asf.yaml

@@ -25,7 +25,6 @@ github:
  - davisusanibar
  - felipecrv
  - js8544
- - mapleFU
 
 notifications:
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