GFS2: Eliminate vestigial sd_log_le_rg

This patch eliminates gfs2 superblock variable sd_log_le_rg which
is no longer used.
Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

fs/gfs2/incore.h

@@ -690,7 +690,6 @@ struct gfs2_sbd {
 
 	struct list_head sd_log_le_buf;
 	struct list_head sd_log_le_revoke;
-	struct list_head sd_log_le_rg;
 	struct list_head sd_log_le_databuf;
 	struct list_head sd_log_le_ordered;
 

fs/gfs2/ops_fstype.c

@@ -99,7 +99,6 @@ static struct gfs2_sbd *init_sbd(struct super_block *sb)
 	atomic_set(&sdp->sd_log_pinned, 0);
 	INIT_LIST_HEAD(&sdp->sd_log_le_buf);
 	INIT_LIST_HEAD(&sdp->sd_log_le_revoke);
-	INIT_LIST_HEAD(&sdp->sd_log_le_rg);
 	INIT_LIST_HEAD(&sdp->sd_log_le_databuf);
 	INIT_LIST_HEAD(&sdp->sd_log_le_ordered);