generate new and correct models for namelookup and optimized case (with one generator)

trainbenchmark-scripts/src-template/GeneratorScript.groovy

 import de.tudresden.inf.st.trainbenchmark.generator.json4ag.config.Json4AgGeneratorConfigBuilder
-import de.tudresden.inf.st.trainbenchmark.generator.json4agref.config.Json4AgRefGeneratorConfigBuilder
 import de.tudresden.inf.st.trainbenchmark.generator.json4agspecial.config.Json4AgSpecialGeneratorConfigBuilder
 import hu.bme.mit.trainbenchmark.config.ExecutionConfig
 import hu.bme.mit.trainbenchmark.generator.config.GeneratorConfigBase
@@ -24,7 +23,6 @@ def formats = [
 	new EmfGeneratorConfigBuilder(),
 	new TinkerGraphGeneratorConfigBuilder().setGraphFormat(TinkerGraphFormat.GRAPHML),
 	new Json4AgGeneratorConfigBuilder(),
-	new Json4AgRefGeneratorConfigBuilder(),
 	new Json4AgSpecialGeneratorConfigBuilder()
 ]