sh: remove stray markers.

arch/sh has a couple of stray markers without any users introduced
in commit 3d58695edbfac785161bf282dc11fd42a483d6c9.  Remove them in
preparation of removing the markers in favour of the TRACE_EVENT
macro (and also because we don't keep dead code around).

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/kernel/process_64.c b/arch/sh/kernel/process_64.c
index 96be839..44c8077 100644
--- a/arch/sh/kernel/process_64.c
+++ b/arch/sh/kernel/process_64.c
@@ -323,7 +323,6 @@
 int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
 {
 	struct pt_regs regs;
-	int pid;
 
 	memset(&regs, 0, sizeof(regs));
 	regs.regs[2] = (unsigned long)arg;
@@ -333,12 +332,8 @@
 	regs.sr = (1 << 30);
 
 	/* Ok, create the new process.. */
-	pid = do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0,
+	return do_fork(flags | CLONE_VM | CLONE_UNTRACED, 0,
 		      &regs, 0, NULL, NULL);
-
-	trace_mark(kernel_arch_kthread_create, "pid %d fn %p", pid, fn);
-
-	return pid;
 }
 
 /*