Fix duplicate case

Author: M0diis

plugin/src/main/java/at/helpch/chatchat/placeholder/PlaceholderAPIPlaceholders.java

@@ -13,7 +13,8 @@
 import java.util.List;
 import java.util.Optional;
 
-public final class PlaceholderAPIPlaceholders extends PlaceholderExpansion {
+public final class
+PlaceholderAPIPlaceholders extends PlaceholderExpansion {
     private final ChatChatPlugin plugin;
 
     public PlaceholderAPIPlaceholders(@NotNull final ChatChatPlugin plugin) {
@@ -87,8 +88,6 @@ public String onRequest(final OfflinePlayer offlinePlayer, @NotNull final String
                 return formatBoolean(chatUser.socialSpy());
             case "private_messages_enabled":
                 return formatBoolean(chatUser.privateMessages());
-            case "private_messages_recipient":
-                return chatUser.lastMessagedUser().map(value -> value.player().getName()).orElse("");
             case "ranged_chat_enabled":
                 return formatBoolean(chatUser.rangedChat());
             case "private_messages_recipient":