Remove legacy chat network code. (#6954)

Author: red-001

src/client.h

@@ -188,7 +188,6 @@ class Client : public con::PeerHandler, public InventoryManager, public IGameDef
 	void handleCommand_BlockData(NetworkPacket* pkt);
 	void handleCommand_Inventory(NetworkPacket* pkt);
 	void handleCommand_TimeOfDay(NetworkPacket* pkt);
-	void handleCommand_ChatMessageOld(NetworkPacket *pkt);
 	void handleCommand_ChatMessage(NetworkPacket *pkt);
 	void handleCommand_ActiveObjectRemoveAdd(NetworkPacket* pkt);
 	void handleCommand_ActiveObjectMessages(NetworkPacket* pkt);

src/network/clientopcodes.cpp

@@ -72,7 +72,7 @@ const ToClientCommandHandler toClientCommandTable[TOCLIENT_NUM_MSG_TYPES] =
 	null_command_handler,
 	null_command_handler,
 	{ "TOCLIENT_CHAT_MESSAGE",             TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ChatMessage }, // 0x2F
-	{ "TOCLIENT_CHAT_MESSAGE_OLD",         TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ChatMessageOld }, // 0x30
+	null_command_handler, // 0x30
 	{ "TOCLIENT_ACTIVE_OBJECT_REMOVE_ADD", TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ActiveObjectRemoveAdd }, // 0x31
 	{ "TOCLIENT_ACTIVE_OBJECT_MESSAGES",   TOCLIENT_STATE_CONNECTED, &Client::handleCommand_ActiveObjectMessages }, // 0x32
 	{ "TOCLIENT_HP",                       TOCLIENT_STATE_CONNECTED, &Client::handleCommand_HP }, // 0x33

src/network/clientpackethandler.cpp

@@ -358,30 +358,6 @@ void Client::handleCommand_TimeOfDay(NetworkPacket* pkt)
 			<< " dr=" << dr << std::endl;
 }
 
-void Client::handleCommand_ChatMessageOld(NetworkPacket *pkt)
-{
-	/*
-		u16 command
-		u16 length
-		wstring message
-	*/
-	u16 len, read_wchar;
-
-	*pkt >> len;
-
-	std::wstring message;
-	for (u32 i = 0; i < len; i++) {
-		*pkt >> read_wchar;
-		message += (wchar_t)read_wchar;
-	}
-
-	// If chat message not consummed by client lua API
-	// @TODO send this to CSM using ChatMessage object
-	if (!moddingEnabled() || !m_script->on_receiving_message(wide_to_utf8(message))) {
-		pushToChatQueue(new ChatMessage(message));
-	}
-}
-
 void Client::handleCommand_ChatMessage(NetworkPacket *pkt)
 {
 	/*