refactor: drop kind_to_str wrapper, call ApprovalKind::as_str directly

hive-c0re/src/questions.rs

@@ -18,7 +18,6 @@
 
 use std::sync::Arc;
 
-use crate::approvals::kind_to_str;
 use crate::coordinator::Coordinator;
 use crate::limits;
 use crate::socket_server::spawn_question_watchdog;
@@ -229,7 +228,7 @@ pub fn handle_cancel_loose_end(
             coord.emit_approval_resolved(crate::coordinator::ApprovalResolved {
                 id: approval.id,
                 agent: &approval.agent,
-                approval_kind: kind_to_str(approval.kind),
+                approval_kind: approval.kind.as_str(),
                 sha_short,
                 status: "cancelled",
                 note: approval.note,