remove unnecessary repo

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

@@ -31,19 +31,16 @@ public class TasksRepository implements Repository
     private Datastore datastore;
     private TeamsRepository teamsRepository;
     private SolutionsRepository solutionsRepository;
-    private UsersRepository usersRepository;
     private String salt = "SECURE_SALT"; //todo
 
     @Inject
     public TasksRepository(ApplicationConfiguration applicationConfiguration, Datastore datastore,
-                           TeamsRepository teamsRepository, SolutionsRepository solutionsRepository,
-                           UsersRepository usersRepository)
+                           TeamsRepository teamsRepository, SolutionsRepository solutionsRepository)
     {
         this.applicationConfiguration = applicationConfiguration;
         this.datastore = datastore;
         this.teamsRepository = teamsRepository;
         this.solutionsRepository = solutionsRepository;
-        this.usersRepository = usersRepository;
         initialize();
     }