dm vdo: remove unnecessary indexer.h includes

Signed-off-by: Matthew Sakai <msakai@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>

drivers/md/dm-vdo/encodings.h

@@ -11,7 +11,6 @@
 #include <linux/limits.h>
 #include <linux/uuid.h>
 
-#include "indexer.h"
 #include "numeric.h"
 
 #include "constants.h"

drivers/md/dm-vdo/vdo.h

@@ -17,7 +17,6 @@
 #include "admin-state.h"
 #include "encodings.h"
 #include "funnel-workqueue.h"
-#include "indexer.h"
 #include "packer.h"
 #include "physical-zone.h"
 #include "statistics.h"