Removed all superfluous #include's

Automatically optimized by CLion IDE with manual corrections

src/nodebuild.cpp

@@ -37,20 +37,12 @@
 **
 */
 
-#include <stdlib.h>
-#include <assert.h>
 #include <stdlib.h>
 #include <string.h>
-#include <stdio.h>
 #include <math.h>
 
 #include "doomdata.h"
 #include "nodebuild.h"
-#include "templates.h"
-#include "tarray.h"
-#include "m_bbox.h"
-#include "c_console.h"
-#include "r_state.h"
 
 const int MaxSegs = 64;
 const int SplitCost = 8;