packet-elmi.c: Remove an unneeded #include.

Change-Id: I55d9fef94467d03f88f5acad6cb6ada3fc873b7c
Reviewed-on: https://code.wireshark.org/review/3539
Reviewed-by: Bill Meier <wmeier@newsguy.com>

epan/dissectors/packet-elmi.c

@@ -30,9 +30,8 @@
 #include "config.h"
 
 #include <glib.h>
-#include <epan/value_string.h>
-#include <epan/etypes.h>
 #include <epan/packet.h>
+#include <epan/etypes.h>
 
 
 static int proto_elmi = -1;