Remove unused import

Author: szymonlesisz

bluez-async/src/device.rs

@@ -3,7 +3,6 @@ use dbus::Path;
 use dbus::arg::{PropMap, RefArg, Variant, cast};
 use serde::{Deserialize, Serialize};
 use std::collections::HashMap;
-use std::convert::TryFrom;
 use std::fmt::{self, Display, Formatter};
 use std::str::FromStr;
 use uuid::Uuid;