[Findbugs] Batfish: remove useless object
@@ -3086,10 +3086,6 @@ public class Batfish extends PluginConsumer implements IBatfish {
Synthesizer diffDataPlaneSynthesizer = synthesizeDataPlane();
popEnvironment();
- Set<String> commonNodes = new TreeSet<>();
- commonNodes.addAll(baseConfigurations.keySet());
- commonNodes.retainAll(diffConfigurations.keySet());
-
pushDeltaEnvironment();
NodeSet blacklistNodes = getNodeBlacklist();
Set<NodeInterfacePair> blacklistInterfaces = getInterfaceBlacklist();
