Location notes: drop 'teleport' tag from kind-1 events; simplify note builder API and usage

bitchat/Nostr/NostrProtocol.swift

@@ -129,16 +129,12 @@ struct NostrProtocol {
         content: String,
         geohash: String,
         senderIdentity: NostrIdentity,
-        nickname: String? = nil,
-        teleported: Bool = false
+        nickname: String? = nil
     ) throws -> NostrEvent {
         var tags = [["g", geohash]]
         if let nickname = nickname?.trimmingCharacters(in: .whitespacesAndNewlines), !nickname.isEmpty {
             tags.append(["n", nickname])
         }
-        if teleported {
-            tags.append(["t", "teleport"])
-        }
         let event = NostrEvent(
             pubkey: senderIdentity.publicKeyHex,
             createdAt: Date(),