disable log level

Signed-off-by: ruiyi.jiang <ruiyi.jiang@zilliz.com>

server/src/milvus/milvus.service.ts

@@ -56,7 +56,6 @@ export class MilvusService {
         address: milvusAddress,
         username,
         password,
-        logLevel: "debug"
       });
 
       // don't break attu