[GFS2] Tidy up bmap/inode code

As per Jan Engelhardt's third set of comments, this make various
code style changes and moves the structures from format.h into
super.c, which was the only place that format.h was actually used.

Cc: Jan Engelhardt <jengelh@linux01.gwdg.de>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 2cf2802..e93066f 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -21,7 +21,6 @@
 #include "incore.h"
 #include "bmap.h"
 #include "dir.h"
-#include "format.h"
 #include "glock.h"
 #include "glops.h"
 #include "inode.h"
@@ -34,6 +33,14 @@
 #include "trans.h"
 #include "util.h"
 
+static const uint32_t gfs2_old_fs_formats[] = {
+        0
+};
+
+static const uint32_t gfs2_old_multihost_formats[] = {
+        0
+};
+
 /**
  * gfs2_tune_init - Fill a gfs2_tune structure with default values
  * @gt: tune