migration-fd: remove duplicate include

Signed-off-by: Juan Quintela <quintela@redhat.com>
diff --git a/migration-fd.c b/migration-fd.c
index c45c42e..5086a90 100644
--- a/migration-fd.c
+++ b/migration-fd.c
@@ -19,7 +19,6 @@
 #include "monitor/monitor.h"
 #include "migration/qemu-file.h"
 #include "block/block.h"
-#include "qemu/sockets.h"
 
 //#define DEBUG_MIGRATION_FD