Fixed an equality check in EditPeopleControlSet, removed dead code

astrid/plugin-src/com/todoroo/astrid/actfm/EditPeopleControlSet.java

@@ -650,16 +650,15 @@ public class EditPeopleControlSet extends PopupControlSet {
             }
 
             if(userJson == null || Task.USER_ID_SELF.equals(Long.toString(userJson.optLong("id", -2)))) {
-                dirty = task.getValue(Task.USER_ID) == Task.USER_ID_SELF ? dirty : true;
+                dirty = Task.USER_ID_SELF.equals(task.getValue(Task.USER_ID)) ? dirty : true;
                 task.setValue(Task.USER_ID, Task.USER_ID_SELF);
                 task.setValue(Task.USER, "");
                 assignedToMe = true;
             } else if(Task.USER_ID_UNASSIGNED.equals(Long.toString(userJson.optLong("id")))) {
-                dirty = task.getValue(Task.USER_ID) == Task.USER_ID_UNASSIGNED ? dirty : true;
+                dirty = Task.USER_ID_UNASSIGNED.equals(task.getValue(Task.USER_ID)) ? dirty : true;
                 task.setValue(Task.USER_ID, Task.USER_ID_UNASSIGNED);
                 task.setValue(Task.USER, "");
             } else {
-                String user = userJson.toString();
                 String taskUserId = Task.USER_ID_EMAIL;
                 String taskUserEmail = "";
                 try {