TF-37 Generate tree with Map

lib/features/mailbox/presentation/model/mailbox_tree.dart

@@ -1,8 +1,5 @@
-import 'dart:collection';
 
 import 'package:equatable/equatable.dart';
-import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
-import 'package:model/mailbox/presentation_mailbox.dart';
 
 import 'mailbox_node.dart';
 
@@ -10,34 +7,6 @@ class MailboxTree with EquatableMixin {
   MailboxNode root;
   MailboxTree(this.root);
 
-  MailboxNode? findNode(MailboxId? mailboxId) {
-    var result;
-    final queue = ListQueue<MailboxNode>();
-    queue.addLast(root);
-    while (queue.isNotEmpty && mailboxId != null) {
-      final currentNode = queue.removeFirst();
-      if (mailboxId == currentNode.item.id) {
-        result = currentNode;
-        break;
-      }
-      currentNode.childrenItems.forEach((child) {
-        queue.addLast(child);
-      });
-    }
-    return result;
-  }
-
-  MailboxNode? insertNode(PresentationMailbox mailbox) {
-    if (mailbox.parentId == null) {
-      return root.addChild(mailbox);
-    }
-
-    final foundParent = findNode(mailbox.parentId);
-    return foundParent != null
-        ? foundParent.addChild(mailbox)
-        : root.addChild(mailbox);
-  }
-
   @override
   List<Object?> get props => [root];
 }