fix(ActivityPhoto): 코드 미제거로 인한 오류 수정

src/main/java/page/clab/api/domain/members/activityPhoto/adapter/out/persistence/ActivityPhotoPersistenceAdapter.java

@@ -25,12 +25,6 @@ public ActivityPhoto save(ActivityPhoto activityPhoto) {
         return activityPhotoMapper.toDomain(savedEntity);
     }
 
-    @Override
-    public void delete(ActivityPhoto activityPhoto) {
-        ActivityPhotoJpaEntity entity = activityPhotoMapper.toJpaEntity(activityPhoto);
-        activityPhotoRepository.delete(entity);
-    }
-
     @Override
     public ActivityPhoto findByIdOrThrow(Long activityPhotoId) {
         return activityPhotoRepository.findById(activityPhotoId)