ash: fix compile breakage

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/shell/ash.c b/shell/ash.c
index 9529613..a9529f8 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -3272,9 +3272,6 @@
 };
 
 static struct job *makejob(/*union node *,*/ int);
-#if !JOBS
-#define forkshell(job, node, mode) forkshell(job, mode)
-#endif
 static int forkshell(struct job *, union node *, int);
 static int waitforjob(struct job *);
 
@@ -4541,9 +4538,6 @@
 static void closescript(void);
 
 /* Called after fork(), in child */
-#if !JOBS
-# define forkchild(jp, n, mode) forkchild(jp, mode)
-#endif
 static NOINLINE void
 forkchild(struct job *jp, union node *n, int mode)
 {