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MINOR: [Dev] Remove Dane from collaborators list (#41589)

### Rationale for this change

Dane is a new committer.

### What changes are included in this PR?

Remove the collaborator list.

### Are these changes tested?

Not required.

### Are there any user-facing changes?

No

Authored-by: Raúl Cumplido <raulcumplido@gmail.com>
Signed-off-by: Dane Pitkin <dane@voltrondata.com>