Revert "Btrfs: MOD_LOG_KEY_REMOVE_WHILE_MOVING never change node's nritems"

This reverts commit 95c80bb1.

The bug addressed by this commit was fixed differently back in 3.6
Signed-off-by: NChris Mason <chris.mason@fusionio.com>

fs/btrfs/ctree.c

@@ -1138,13 +1138,13 @@ __tree_mod_log_rewind(struct extent_buffer *eb, u64 time_seq,
 		switch (tm->op) {
 		case MOD_LOG_KEY_REMOVE_WHILE_FREEING:
 			BUG_ON(tm->slot < n);
-		case MOD_LOG_KEY_REMOVE:
-			n++;
 		case MOD_LOG_KEY_REMOVE_WHILE_MOVING:
+		case MOD_LOG_KEY_REMOVE:
 			btrfs_set_node_key(eb, &tm->key, tm->slot);
 			btrfs_set_node_blockptr(eb, tm->slot, tm->blockptr);
 			btrfs_set_node_ptr_generation(eb, tm->slot,
 						      tm->generation);
+			n++;
 			break;
 		case MOD_LOG_KEY_REPLACE:
 			BUG_ON(tm->slot >= n);