PM: docs: Delete the obsolete states.txt document

The Documentation/power/states.txt document is now redundant and
sonewhat outdated, so delete it.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2017-08-20 18:06:04 +02:00
commit 7aa7a0360a