kset: remove decl_subsys_name

The last user of this macro (pci hotplug core) is now switched over to
using a dynamic kset, so this macro is no longer needed at all.

Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

include/linux/kobject.h

@@ -193,11 +193,6 @@ struct kset _name##_subsys = { \
 	.kobj = { .k_name = __stringify(_name) }, \
 	.uevent_ops =_uevent_ops, \
 }
-#define decl_subsys_name(_varname,_name,_uevent_ops) \
-struct kset _varname##_subsys = { \
-	.kobj = { .k_name = __stringify(_name) }, \
-	.uevent_ops =_uevent_ops, \
-}
 
 /* The global /sys/kernel/ subsystem for people to chain off of */
 extern struct kset kernel_subsys;