Remove ViaVersionPlatformImpl#sendCustomPayload

Author: FlorianMichael

src/main/java/com/viaversion/vialoader/impl/platform/ViaVersionPlatformImpl.java

@@ -101,14 +101,6 @@ public VLTask runRepeatingSync(Runnable runnable, long period) {
         return this.runRepeatingAsync(runnable, period);
     }
 
-    @Override
-    public void sendCustomPayload(UserConnection connection, String channel, byte[] message) {
-        final PacketWrapper customPayload = PacketWrapper.create(PacketTypeUtil.getServerboundPacketType("CUSTOM_PAYLOAD", connection), connection);
-        customPayload.write(Types.STRING, channel);
-        customPayload.write(Types.REMAINING_BYTES, message);
-        customPayload.sendToServer(InitialBaseProtocol.class);
-    }
-
     @Override
     public boolean hasPlugin(String name) {
         return false; // Used for ViaPlatform#getUnsupportedSoftwareClasses