Revert "show recipient handle as subtitle in chat communication notifications"

This reverts commit a22f0e9d5d.

modules/BlueskyNSE/NotificationService.swift

@@ -71,14 +71,6 @@ class NotificationService: UNNotificationServiceExtension {
   ) -> UNNotificationContent {
     let senderDisplayName = userInfo["senderDisplayName"] as? String ?? "Unknown"
     let convoId = userInfo["convoId"] as? String
-
-    // The push title is "Sender to @recipient" — extract the "to @recipient"
-    // part as subtitle so the user knows which account received the message.
-    if let title = content.title as String?,
-       let range = title.range(of: " to ", options: .backwards) {
-      content.subtitle = String(title[range.upperBound...])
-    }
-
     var avatarImage: INImage? = nil
     if let avatarUrlString = userInfo["senderAvatarUrl"] as? String {
       avatarImage = downloadAvatarImage(from: avatarUrlString)