[admin] Remove pdu generation from g5k_generator until pdus resources are not describes everywhere

generators/lib/g5k_generator.rb

@@ -194,9 +194,9 @@ module G5K
     def node(uid, *options, &block)
       build_context(:nodes, uid, *options, &block)
     end
-    def pdu(uid, *options, &block)
-      build_context(:pdus, uid, *options, &block)
-    end
+    # def pdu(uid, *options, &block)
+    #   build_context(:pdus, uid, *options, &block)
+    # end
     def service(uid, *options, &block)
       build_context(:services, uid, *options, &block)
     end