[Cleanup] Cleanup unused methods and variables in world/main.cpp and world/main.h (#3105)

# Notes
- These are unused.

world/main.cpp

@@ -18,8 +18,6 @@
  *
  */
 
-#define PLATFORM_WORLD 1
-
 #include "../common/global_define.h"
 
 #include <iostream>
@@ -56,20 +54,9 @@
 #include <conio.h>
 #else
 
-#include "../common/unix.h"
 #include <sys/sem.h>
 #include <thread>
 
-#if not defined (FREEBSD) && not defined (DARWIN)
-union semun {
-	int             val;
-	struct semid_ds *buf;
-	ushort          *array;
-	struct seminfo  *__buf;
-	void            *__pad;
-};
-#endif
-
 #endif
 
 #include "../common/patches/patches.h"

world/main.h

@@ -32,56 +32,3 @@
 
 void CatchSignal(int sig_num);
 
-#define EQ_WORLD_PORT 9000		//mandated by the client
-#define LOGIN_PORT	5997
-
-class NetConnection
-{
-public:
-	NetConnection() {
-		world_locked = false;
-		for (int i=0; i<5; i++) {
-			memset(loginaddress[i], 0, sizeof(loginaddress[i]));
-			loginport[i] = LOGIN_PORT;
-		}
-		memset(worldname, 0, sizeof(worldname));
-		memset(worldshortname, 0, sizeof(worldshortname));
-		memset(worldaccount, 0, sizeof(worldaccount));
-		memset(worldpassword, 0, sizeof(worldpassword));
-		memset(worldaddress, 0, sizeof(worldaddress));
-		memset(chataddress, 0, sizeof(chataddress));
-		DEFAULTSTATUS=0;
-		LoginServerInfo = 0;//ReadLoginINI();
-		UpdateStats = false;
-	}
-	~NetConnection() { }
-
-	bool ReadLoginINI();
-	bool LoginServerInfo;
-	bool UpdateStats;
-	char* GetLoginInfo(uint16* oPort);
-	inline char* GetLoginAddress(uint8 i)	{ return loginaddress[i]; }
-	inline uint16 GetLoginPort(uint8 i)		{ return loginport[i]; }
-	inline char* GetWorldName()			{ return worldname; }
-	inline char* GetWorldShortName()		{ return worldshortname; }
-	inline char* GetWorldAccount()			{ return worldaccount; }
-	inline char* GetWorldPassword()		{ return worldpassword; }
-	inline char* GetWorldAddress()			{ return worldaddress; }
-	inline uint8 GetDefaultStatus()			{ return DEFAULTSTATUS; }
-	inline char* GetChatAddress()			{ return chataddress; }
-	uint16 GetChatPort()			{ return chatport; }
-	bool world_locked;
-private:
-	int		listening_socket;
-	char	loginaddress[5][255];
-	uint16	loginport[5];
-	uint16	chatport;
-	char	worldname[201];
-	char	worldshortname[31];
-	char	worldaccount[31];
-	char	worldpassword[31];
-	char	worldaddress[255];
-	char	chataddress[255];
-	uint8	DEFAULTSTATUS;
-
-};