代码优化

knowledgeman-service/src/main/java/com/diagbot/facade/SimilarFacade.java

@@ -3,7 +3,6 @@ package com.diagbot.facade;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.diagbot.client.NLPServiceClient;
 import com.diagbot.dto.SimilarLibraryDTO;
-import com.diagbot.entity.Lexicon;
 import com.diagbot.entity.LibraryInfo;
 import com.diagbot.enums.IsDeleteEnum;
 import com.diagbot.enums.LexiconTypeEnum;