Staging: greybus: Do not use multiple blank lines

Remove unnecessary blank line
issue found with checkpatch.pl:
CHECK: Please don't use multiple blank lines
Signed-off-by: Bhanusree Pola <bhanusreemahesh@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/greybus/control.c

@@ -15,7 +15,6 @@
 #define GB_CONTROL_VERSION_MAJOR	0
 #define GB_CONTROL_VERSION_MINOR	1
 
-
 static int gb_control_get_version(struct gb_control *control)
 {
 	struct gb_interface *intf = control->connection->intf;