[luxembourg] granduc-3 is retired

Author: berardbe

data/grid5000/sites/luxembourg/clusters/granduc/nodes/granduc-3.json

@@ -1,5 +1,5 @@
 nodes:
-<% [ 1, 5, 7, 8, 10, 11, 13, 14, 17, 19, 22 ].each { |i| %>
+<% [ 1, 3, 5, 7, 8, 10, 11, 13, 14, 17, 19, 22 ].each { |i| %>
   granduc-<%= i %>:
     status: retired
 <% } %>