fixed AuthenticationService

src/main/java/mate/academy/service/AuthenticationService.java

@@ -1,9 +1,7 @@
 package mate.academy.service;
 
-import mate.academy.model.User;
-
 public class AuthenticationService {
-    private static final UserService AUTHENTICATION_SERVICE = new UserService();
+    private final UserService userService = new UserService();
     /**
      * Imagine that some user wants to login to your site.
      * You should check if user credentials (login and password) are valid or not.
@@ -17,10 +15,6 @@ public class AuthenticationService {
      */
 
     public boolean login(String email, String password) {
-        User userFromDb = AUTHENTICATION_SERVICE.findByEmail(email);
-        if (userFromDb == null) {
-            return false;
-        }
-        return userFromDb.getPassword().equals(password);
+        return userService.findByEmail(email).getPassword().equals(password);
     }
 }