fix

Author: LukasMolzberger

src/main/java/org/aika/neuron/INeuron.java

@@ -800,7 +800,7 @@ public static INeuron readNeuron(DataInput in, Neuron p) throws IOException {
 
 
     public String toString() {
-        return "node(" + label + ")";
+        return label;
     }