Remove the unused and ugly HackChkStk()

neo/sys/win32/win_main.cpp

@@ -1169,34 +1169,6 @@ void Win_Frame( void ) {
 	}
 }
 
-extern "C" { void _chkstk( int size ); };
-void clrstk( void );
-
-/*
-====================
-TestChkStk
-====================
-*/
-void TestChkStk( void ) {
-	int		buffer[0x1000];
-
-	buffer[0] = 1;
-}
-
-/*
-====================
-HackChkStk
-====================
-*/
-void HackChkStk( void ) {
-	DWORD	old;
-	VirtualProtect( _chkstk, 6, PAGE_EXECUTE_READWRITE, &old );
-	*(byte *)_chkstk = 0xe9;
-	*(int *)((int)_chkstk+1) = (int)clrstk - (int)_chkstk - 5;
-
-	TestChkStk();
-}
-
 /*
 ====================
 GetExceptionCodeInfo
@@ -1507,42 +1479,6 @@ int WINAPI WinMain( HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLin
 	return 0;
 }
 
-/*
-====================
-clrstk
-
-I tried to get the run time to call this at every function entry, but
-====================
-*/
-static int	parmBytes;
-__declspec( naked ) void clrstk( void ) {
-	// eax = bytes to add to stack
-	__asm {
-		mov		[parmBytes],eax
-		neg     eax                     ; compute new stack pointer in eax
-		add     eax,esp
-		add     eax,4
-		xchg    eax,esp
-		mov     eax,dword ptr [eax]		; copy the return address
-		push    eax
-
-		; clear to zero
-		push	edi
-		push	ecx
-		mov		edi,esp
-		add		edi,12
-		mov		ecx,[parmBytes]
-		shr		ecx,2
-		xor		eax,eax
-		cld
-		rep	stosd
-		pop		ecx
-		pop		edi
-
-		ret
-	}
-}
-
 /*
 ==================
 idSysLocal::OpenURL