fix merge bugd

Former-commit-id: c3ee55050faefd76433e807842c7873c91dc6aba

cpp/src/sdk/grpc/GrpcClient.cpp

@@ -288,11 +288,6 @@ GrpcClient::Disconnect() {
     return Status::OK();
 }
 
-Status
-GrpcClient::DeleteByRange(grpc::DeleteByRangeParam &delete_by_range_param) {
-    return Status::OK();
-}
-
 Status
 GrpcClient::DescribeIndex(grpc::TableName &table_name, grpc::IndexParam &index_param) {
     ClientContext context;

cpp/unittest/db/db_tests.cpp

@@ -432,7 +432,6 @@ TEST_F(DBTest2, DELETE_BY_RANGE_TEST) {
     }
 
     std::vector<engine::meta::DateT> dates;
-    engine::meta::DateT date;
     std::string start_value = CurrentTmDate(-3);
     std::string end_value = CurrentTmDate(-2);
     ConvertTimeRangeToDBDates(start_value, end_value, dates);