[aravis] gv_device: remove unused define.

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 6fab16a4cff4abe0bdec0d652dca780d969e0dae
Author: Emmanuel Pacaud <emmanuel gnome org>
Date:   Thu Feb 17 21:07:53 2011 +0100

    gv_device: remove unused define.

 src/arvgvdevice.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/src/arvgvdevice.c b/src/arvgvdevice.c
index 195f6d4..5d37182 100644
--- a/src/arvgvdevice.c
+++ b/src/arvgvdevice.c
@@ -262,8 +262,6 @@ _write_register (ArvGvDeviceIOData *io_data, guint32 address, guint32 value)
 
 /* Heartbeat thread */
 
-#define ARV_GV_DEVICE_HEARTBEAT_SOCKET_BUFFER_SIZE	64
-
 typedef struct {
 	ArvGvDeviceIOData *io_data;
 	int period_us;