Удалил неиспользуемый метод

bot-context/src/main/java/dev/struchkov/bot/gitlab/context/repository/DiscussionRepository.java

@@ -20,8 +20,6 @@ public interface DiscussionRepository {
 
     Optional<Discussion> findById(String discussionId);
 
-    void deleteById(String discussionId);
-
     List<Discussion> findAll();
 
     List<Discussion> findAllById(Set<String> discussionIds);

bot-context/src/main/java/dev/struchkov/bot/gitlab/context/service/DiscussionService.java

@@ -37,6 +37,4 @@ public interface DiscussionService {
 
     List<Discussion> getAll();
 
-    void deleteById(String discussionId);
-
 }

bot-core/src/main/java/dev/struchkov/bot/gitlab/core/service/impl/DiscussionServiceImpl.java

@@ -300,11 +300,6 @@ public class DiscussionServiceImpl implements DiscussionService {
         return repository.findAll();
     }
 
-    @Override
-    public void deleteById(String discussionId) {
-        repository.deleteById(discussionId);
-    }
-
     /**
      * Уведомляет пользователя, если его никнейм упоминается в комментарии.
      */

bot-data/src/main/java/dev/struchkov/bot/gitlab/data/impl/DiscussionRepositoryImpl.java

@@ -37,11 +37,6 @@ public class DiscussionRepositoryImpl implements DiscussionRepository {
         return jpaRepository.findById(discussionId);
     }
 
-    @Override
-    public void deleteById(String discussionId) {
-        jpaRepository.deleteById(discussionId);
-    }
-
     @Override
     public List<Discussion> findAll() {
         return jpaRepository.findAll();