fixup! Add TaskTree definitions more directly

Remove now unused taskList variable.

Change-Id: I0bfd1754542dece70f2c3d6e6a1c51b392678c0c
diff --git a/src/main/java/com/googlesource/gerrit/plugins/task/TaskTree.java b/src/main/java/com/googlesource/gerrit/plugins/task/TaskTree.java
index ed9e7ee..62527b8 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/task/TaskTree.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/task/TaskTree.java
@@ -216,7 +216,6 @@
     }
 
     protected void addSubTasksFactoryDefinitions() throws OrmException {
-      List<Task> taskList = new ArrayList<>();
       for (String taskFactoryName : task.subTasksFactories) {
         TasksFactory tasksFactory = task.config.getTasksFactory(taskFactoryName);
         if (tasksFactory != null) {