Remove missing imports

apis/rust/node/src/event_stream/event.rs

@@ -1,11 +1,6 @@
-use std::{ptr::NonNull, sync::Arc};
-
-use aligned_vec::{AVec, ConstAlign};
-use dora_arrow_convert::{ArrowData, IntoArrow};
+use dora_arrow_convert::ArrowData;
 use dora_core::config::{DataId, OperatorId};
-use dora_message::metadata::{ArrowTypeInfo, BufferOffset, Metadata};
-use eyre::{Context, Result};
-use shared_memory_extended::{Shmem, ShmemConf};
+use dora_message::metadata::Metadata;
 
 /// Represents an incoming Dora event.
 ///