Refactor status package to use portbase/runtime.

Refactor the status package to use portbase/runtime and
make system status readonly. Also adapts the code base
to the new portbase/notifications package.

core/base/global.go

@@ -9,7 +9,6 @@ import (
 	"github.com/safing/portbase/dataroot"
 	"github.com/safing/portbase/info"
 	"github.com/safing/portbase/modules"
-	"github.com/safing/portbase/modules/subsystems"
 )
 
 // Default Values (changeable for testing)
@@ -66,8 +65,5 @@ func globalPrep() error {
 	// set api listen address
 	api.SetDefaultAPIListenAddress(DefaultAPIListenAddress)
 
-	// set subsystem status dir
-	subsystems.SetDatabaseKeySpace("core:status/subsystems")
-
 	return nil
 }