samples: configfs: remove redundant newlines

There's no need for suplemental newlines in the source file - especially
since the examples are well divided with comments already.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

samples/configfs/configfs_sample.c

@@ -15,11 +15,8 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/slab.h>
-
 #include <linux/configfs.h>
 
-
-
 /*
  * 01-childless
  *
@@ -117,7 +114,6 @@ static struct childless childless_subsys = {
 	},
 };
 
-
 /* ----------------------------------------------------------------- */
 
 /*
@@ -185,7 +181,6 @@ static const struct config_item_type simple_child_type = {
 	.ct_owner	= THIS_MODULE,
 };
 
-
 struct simple_children {
 	struct config_group group;
 };
@@ -263,7 +258,6 @@ static struct configfs_subsystem simple_children_subsys = {
 	},
 };
 
-
 /* ----------------------------------------------------------------- */
 
 /*