soundwire: sysfs: remove unneeded ATTRIBUTE_GROUPS() comments

Now that we manually created our own attribute group list, the outdated
ATTRIBUTE_GROUPS() comments can be removed as they are not needed at
all.

Cc: Vinod Koul <[email protected]>
Cc: Bard Liao <[email protected]>
Cc: Pierre-Louis Bossart <[email protected]>
Cc: Sanyog Kale <[email protected]>
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
Reviewed-by: Dan Williams <[email protected]>
Tested-By: Vijendar Mukunda <[email protected]>
Link: https://lore.kernel.org/r/2024013031-tranquil-matador-a554@gregkh
Signed-off-by: Vinod Koul <[email protected]>

Author: gregkh

drivers/soundwire/sysfs_slave.c

@@ -129,10 +129,6 @@ static struct attribute *slave_dev_attrs[] = {
 	NULL,
 };
 
-/*
- * we don't use ATTRIBUTES_GROUP here since we want to add a subdirectory
- * for device-level properties
- */
 static const struct attribute_group sdw_slave_dev_attr_group = {
 	.attrs	= slave_dev_attrs,
 	.name = "dev-properties",
@@ -204,10 +200,6 @@ static bool dp0_group_visible(struct kobject *kobj)
 }
 DEFINE_SYSFS_GROUP_VISIBLE(dp0);
 
-/*
- * we don't use ATTRIBUTES_GROUP here since we want to add a subdirectory
- * for dp0-level properties
- */
 static const struct attribute_group dp0_group = {
 	.attrs = dp0_attrs,
 	.is_visible = SYSFS_GROUP_VISIBLE(dp0),