Use correct name of reclass custom state

Change-Id: I454241f2f6508d76710e0d9bc16d451643cf31ac
diff --git a/reclass/reactor_sls/node_unregister.sls b/reclass/reactor_sls/node_unregister.sls
index d0f3dc8..9882b4a 100644
--- a/reclass/reactor_sls/node_unregister.sls
+++ b/reclass/reactor_sls/node_unregister.sls
@@ -1,5 +1,6 @@
 {%- set node_name = salt['pillar.get']('node_name') %}
 
 unclassify_node_{{ node_name }}:
-  reclass.dynamic_node_absent:
+  reclass.node_absent:
     - name: {{ node_name }}
+