style: fix lint error

src/nostr/event/Tags.ts

@@ -1,5 +1,3 @@
-import { z } from 'zod';
-
 import TagsBase, { TagsSchema } from '@/nostr/event/TagsBase';
 
 export default class Tags extends TagsBase {

src/nostr/useCommands.ts

@@ -72,16 +72,6 @@ export const buildTags = ({
   return [...eTags, ...pTags, ...otherTags];
 };
 
-const signEvent = (event: UnsignedEvent): Promise<NostrEvent> => {
-  const preSignedEvent: UnsignedEvent & { id?: string } = { ...event };
-  preSignedEvent.id = getEventHash(preSignedEvent);
-
-  if (window.nostr == null) {
-    throw new Error('NIP-07 implementation not found');
-  }
-  return window.nostr.signEvent(preSignedEvent);
-};
-
 const useCommands = () => {
   const pool = usePool();