Remove JSON formatting configuration

dmnverifierapi/src/main/java/de/unikoblenz/fgbks/base/json/JsonConfiguration.java

@@ -14,8 +14,7 @@ public class JsonConfiguration implements ContextResolver<Jsonb> {
     JsonbConfig config =
         new JsonbConfig()
             .withPropertyVisibilityStrategy(new PrivateVisibilityStrategy())
-            .withSerializers(new JsonSimpleValueObjectSerializer())
-            .withFormatting(true);
+            .withSerializers(new JsonSimpleValueObjectSerializer());
     return JsonbBuilder.create(config);
   }
 }