cleanup, ngspice/config.h is already in ngspice/ngspice.h, #2/2

src/frontend/com_measure2.h

@@ -1,7 +1,6 @@
 #ifndef _COM_MEASURE_H
 #define _COM_MEASURE_H
 
-#include "ngspice/config.h"
 
 extern int measure_get_precision(void);
 extern int get_measure2(wordlist *wl, double *result, char *out_line, bool auto_check);

src/ngnutmeg.c

@@ -1,5 +1,4 @@
 /* Configuration file for nutmeg */
-#include "ngspice/config.h"
 
 /*
  * Devices

src/ngspice.c

@@ -1,5 +1,4 @@
 /* Configuration file for ng-spice */
-#include "ngspice/config.h"
 
 /**********
 Copyright 1990 Regents of the University of California.  All rights reserved.

src/spicelib/parser/inp2n.c

@@ -4,11 +4,10 @@ Author:	2007 Gong Ding, gdiso@ustc.edu
 University of Science and Technology of China 
 **********/
 
-#include "ngspice/config.h"
+#include "ngspice/ngspice.h"
 
 #ifdef NDEV
 
-#include "ngspice/ngspice.h"
 #include <stdio.h>
 #include "ngspice/ifsim.h"
 #include "ngspice/inpdefs.h"