Revert LCEMP dedicated server changes

Apparently smartcmd used their own dedicated server and not LCEMP's, starting from scratch!

Minecraft.Client/Common/Network/NetworkSocketLayer.h

@@ -116,7 +116,6 @@ struct LANBroadcast
 	DWORD texturePackParentId;
 	BYTE subTexturePackId;
 	BYTE isJoinable;
-	BYTE isDedicatedServer;
 	char playerNames[NETWORK_LAN_BROADCAST_PLAYERS][NETWORK_LAN_PLAYER_NAME_SIZE];
 };
 #pragma pack(pop)
@@ -133,7 +132,6 @@ struct LANSession
 	unsigned int texturePackParentId;
 	unsigned char subTexturePackId;
 	bool isJoinable;
-	bool isDedicatedServer;
 	DWORD lastSeenTick;
 	char playerNames[NETWORK_LAN_BROADCAST_PLAYERS][NETWORK_LAN_PLAYER_NAME_SIZE];
 };
@@ -169,7 +167,6 @@ public:
 	static SOCKET GetSocketForSmallId(BYTE smallId);
 
 	static void HandleDataReceived(BYTE fromSmallId, BYTE toSmallId, unsigned char *data, unsigned int dataSize);
-	static void FlushPendingData();
 
 	static bool PopDisconnectedSmallId(BYTE *outSmallId);
 	static void PushFreeSmallId(BYTE smallId);
@@ -238,9 +235,6 @@ private:
 
 	static CRITICAL_SECTION s_freeSmallIdLock;
 	static std::vector<BYTE> s_freeSmallIds;
-
-	static CRITICAL_SECTION s_earlyDataLock;
-	static std::vector<BYTE> s_earlyDataBuffers[NETWORK_LAN_MAX_CLIENTS + 1];
 };
 
 extern bool g_MultiplayerHost;