remove obsolete code
diff --git a/xos/api/utility/sshkeys.py b/xos/api/utility/sshkeys.py
index 74d1f20..1320ab9 100644
--- a/xos/api/utility/sshkeys.py
+++ b/xos/api/utility/sshkeys.py
@@ -19,13 +19,6 @@
     def __init__(self, *args, **kwargs):
         super(SSHKeys, self).__init__(*args, **kwargs)
 
-#    @property
-#    def node_name(self):
-#        if self.node:
-#            return self.node.name
-#        else:
-#            return None
-
 class SSHKeysSerializer(PlusModelSerializer):
     id = serializers.CharField(read_only=True, source="instance_id")
     public_keys = serializers.ListField(read_only=True, source="get_public_keys")