PM: Clean up PM_TRACE dependencies and drop unnecessary Kconfig option

CONFIG_PM_SLEEP_ADVANCED_DEBUG is not used any more, so drop it
and CONFIG_CAN_PM_TRACE need not depend on EXPERIMENTAL, so remove
that dependency.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index 0710bee..298bed0 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -140,11 +140,6 @@
 	fields of device objects from user space.  If you are not a kernel
 	developer interested in debugging/testing Power Management, say "no".
 
-config PM_SLEEP_ADVANCED_DEBUG
-	bool
-	depends on PM_ADVANCED_DEBUG
-	default n
-
 config PM_TEST_SUSPEND
 	bool "Test suspend/resume and wakealarm during bootup"
 	depends on SUSPEND && PM_DEBUG && RTC_CLASS=y
@@ -158,7 +153,7 @@
 
 config CAN_PM_TRACE
 	def_bool y
-	depends on PM_DEBUG && PM_SLEEP && EXPERIMENTAL
+	depends on PM_DEBUG && PM_SLEEP
 
 config PM_TRACE
 	bool