refactor: rename client module to grpc

also removed a useless import

src/main.rs

@@ -2,9 +2,8 @@ use client::stream_list::{
     LiveChatMessageListRequest,
     v3_data_live_chat_message_service_client::V3DataLiveChatMessageServiceClient,
 };
-use tonic::{metadata::{errors::InvalidMetadataValue, MetadataValue}, transport::Channel, Request};
-
-mod client;
+use tonic::{Request, Status, metadata::MetadataValue, transport::Channel};
+mod grpc;
 
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {