osdep: drop unused #include "trace.h"

osdep.c does not use trace_*() so we can just drop the include.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
diff --git a/util/osdep.c b/util/osdep.c
index 62072b4..bd4f530 100644
--- a/util/osdep.c
+++ b/util/osdep.c
@@ -46,7 +46,6 @@
 #endif
 
 #include "qemu-common.h"
-#include "trace.h"
 #include "qemu/sockets.h"
 #include "monitor/monitor.h"