remove unnecessary method

service/src/main/java/repositories/TasksRepository.java

@@ -173,21 +173,4 @@ public class TasksRepository implements Repository
         }
         return false;
     }
-
-    //TODO!!!
-    public Optional<List<String>> getUserTaskFlags(String username, Integer taskLevel)
-    { //todo: task level, task id
-        return getUserFlagsHashes(username).entrySet().stream()
-                .filter(taskEntry -> taskEntry.getValue().equals(taskLevel))
-                .map(listIntegerEntry -> {
-                    Integer taskLevel1 = listIntegerEntry.getValue();
-                    Task task = getTaskByLevel(taskLevel1).get();
-                    List<String> flags = task.getFlags()
-                            .stream()
-                            .map(flag -> calculateHashValue(username, flag.getValue()))
-                            .collect(Collectors.toList());
-                    return flags;
-                })
-                .findFirst();
-    }
 }
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