removed unused imports

Author: minghuaw

src/binding/fe2o3_amqp/deserializer.rs

@@ -12,7 +12,7 @@ use crate::{
 };
 
 use super::{
-    constants::{self, prefixed, DATACONTENTTYPE},
+    constants::{prefixed, DATACONTENTTYPE},
     AmqpCloudEvent, ATTRIBUTE_PREFIX,
 };
 

src/binding/fe2o3_amqp/mod.rs

@@ -3,11 +3,11 @@
 use std::collections::HashMap;
 use std::convert::TryFrom;
 
-use chrono::{DateTime, Utc, TimeZone};
+use chrono::{Utc, TimeZone};
 use fe2o3_amqp_lib::types::messaging::{ApplicationProperties, Body, Message, Properties};
 use fe2o3_amqp_lib::types::primitives::{Binary, SimpleValue, Symbol, Timestamp, Value};
 
-use crate::event::{AttributeValue, ExtensionValue, UriReference};
+use crate::event::{AttributeValue, ExtensionValue};
 use crate::message::{Error, MessageAttributeValue};
 use crate::Event;