osuosl169 is back

Signed-off-by: Holger Levsen <holger@layer-acht.org>

jenkins-home/offline_nodes

@@ -14,16 +14,13 @@
 
 # Also see https://pad.sfconservancy.org/p/rb-build-nodes-keep
 
-# OSUOSL has been informed
-osuosl169-amd64.debian.net
-
 # unresponsive to power-cycle
 opi2c-armhf-rb.debian.net
 
 # ethernet unrecognized
 odxu4b-armhf-rb.debian.net
 
-# need investigation
+# needs investigation
 ff4a-armhf-rb.debian.net
 
 # Down here nodes are automatically added by the maintenance job when they have