fix: remove unused TransportPeer import in Federation.vue

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

neode-ui/src/views/Federation.vue

@@ -374,7 +374,6 @@ import { ref, computed, onMounted } from 'vue'
 import { useRouter } from 'vue-router'
 import { rpcClient } from '@/api/rpc-client'
 import { useTransportStore } from '@/stores/transport'
-import type { TransportPeer } from '@/stores/transport'
 import NetworkMap from '@/components/federation/NetworkMap.vue'
 
 const router = useRouter()