Don't link nrelay in content

It's deprecated

nostr.ts

@@ -110,7 +110,7 @@ export async function nostrUriToUrl(uri: string): Promise<string> {
 }
 
 export async function replaceNostrUris(markdown: string): Promise<string> {
-  const nostrUriRegex = /(nostr:|nprofile|naddr|nevent|nrelay|npub)[a-z0-9]+/g;
+  const nostrUriRegex = /(nostr:|nprofile|naddr|nevent|npub)[a-z0-9]+/g;
   const matches = markdown.match(nostrUriRegex);
   if (!matches) return markdown;