Abolish setup check, there's no possibility of restart.

Note, this silently breaks old saves.

advent.h

@@ -52,7 +52,6 @@ struct game_t {
     long oldobj;
     long panic;
     long saved;
-    long setup;
     long tally;
     long thresh;
     long trndex;

adventure.text

@@ -1960,8 +1960,7 @@
 199	You prod the nearest dwarf, who wakes up grumpily, takes one look at
 199	you, curses, and grabs for his axe.
 200	Is this acceptable?
-201	This adventure is already over.  To start a new adventure, or to
-201	resume an earlier adventure, please run a fresh copy of the program.
+# 201 used to be an error on restart attempt.
 202	The ogre doesn't appear to be hungry.
 203	The ogre, who despite his bulk is quite agile, easily dodges your
 203	attack.  He seems almost amused by your puny effort.

init.c

@@ -383,6 +383,5 @@ void initialise(void)
     game.closed=false;
     game.clshnt=false;
     game.novice=false;
-    game.setup=1;
     game.blklin=true;
 }

main.c

@@ -122,20 +122,9 @@ int main(int argc, char *argv[])
     set_seed(seedval);
 
     /*  Initialize game variables */
-    if (!game.setup)
     initialise();
 
-    /*  Unlike earlier versions, adventure is no longer restartable.  (This
-     *  lets us get away with modifying things such as OBJSND(BIRD) without
-     *  having to be able to undo the changes later.)  If a "used" copy is
-     *  rerun, we come here and tell the player to run a fresh copy. */
-    if (game.setup <= 0) {
-	RSPEAK(201);
-	exit(0);
-    }
-
     /*  Start-up, dwarf stuff */
-    game.setup= -1;
     game.zzword=RNDVOC(3,0);
     game.novice=YES(stdin, 65,1,0);
     game.newloc=1;
@@ -146,7 +135,7 @@ int main(int argc, char *argv[])
     if (logfp)
 	fprintf(logfp, "seed %ld\n", seedval);
 
-    /* interpret commands ubtil EOF or interrupt */
+    /* interpret commands until EOF or interrupt */
     for (;;) {
 	if (!do_command(stdin))
 	    break;