Resolve "Check Email Service in production"

Related to #395 (closed)

src/main/java/at/ac/uibk/gitsearch/service/AuthorityService.java

@@ -17,15 +17,13 @@ public class AuthorityService {
 
     private final AuthorityRepository authorityRepository;
 
-    private final UserRepository userRepository;
-
-    public AuthorityService(UserRepository userRepository, AuthorityRepository authorityRepository) {
-        this.userRepository = userRepository;
+    public AuthorityService(AuthorityRepository authorityRepository) {
         this.authorityRepository = authorityRepository;
     }
 
     // Get all users with authority ROLE_REVIEW_MANAGER
     List<User> findAllUsersWithAuthority(String authority) {
+        log.info("Request to get all users with authority: {}", authority);
         return authorityRepository.findAllUsersWithAuthority(authority);
     }
 }