Monster misc 2

Just some clean-up in doomdef.h, nothing important or majorly game-breaking really. It's all stuff that apparently hasn't been used by the game itself in many years by now.

...

inb4 I find something else obsolete to kill later and make monster misc branch no. 3

src/doomdef.h

@@ -206,13 +206,6 @@ extern FILE *logstream;
// Note that we use this to help keep internal testing in check; this is why v2.1.0 is not version "1".
#define MODVERSION 19
-
-
-
-
-// some tests, enable or disable it if it run or not
-#define SPLITSCREEN
-
// =========================================================================
// The maximum number of players, multiplayer/networking.
@@ -348,11 +341,7 @@ void CONS_Debug(INT32 debugflags, const char *fmt, ...) FUNCDEBUG;
#include "m_swap.h"
// Things that used to be in dstrings.h
-#define DEVMAPS "devmaps"
-#define DEVDATA "devdata"
-
#define SAVEGAMENAME "srb2sav"
-
char savegamename[256];
// m_misc.h