Fix redundant import checking on beta toolchain

Signed-off-by: Christian König <ckoenig@posteo.de>

metadata/src/album.rs

@@ -1,5 +1,4 @@
 use std::{
-    convert::{TryFrom, TryInto},
     fmt::Debug,
     ops::{Deref, DerefMut},
 };

metadata/src/artist.rs

@@ -1,5 +1,4 @@
 use std::{
-    convert::{TryFrom, TryInto},
     fmt::Debug,
     ops::{Deref, DerefMut},
 };

metadata/src/availability.rs

@@ -1,5 +1,4 @@
 use std::{
-    convert::TryFrom,
     fmt::Debug,
     ops::{Deref, DerefMut},
 };

metadata/src/episode.rs

@@ -1,5 +1,4 @@
 use std::{
-    convert::{TryFrom, TryInto},
     fmt::Debug,
     ops::{Deref, DerefMut},
 };

metadata/src/image.rs

@@ -1,5 +1,4 @@
 use std::{
-    convert::{TryFrom, TryInto},
     fmt::Debug,
     ops::{Deref, DerefMut},
 };

metadata/src/playlist/annotation.rs

@@ -1,4 +1,3 @@
-use std::convert::TryFrom;
 use std::fmt::Debug;
 
 use protobuf::Message;

metadata/src/playlist/attribute.rs

@@ -1,6 +1,5 @@
 use std::{
     collections::HashMap,
-    convert::TryFrom,
     fmt::Debug,
     ops::{Deref, DerefMut},
 };

metadata/src/playlist/diff.rs

@@ -1,4 +1,4 @@
-use std::{convert::TryFrom, fmt::Debug};
+use std::fmt::Debug;
 
 use super::operation::PlaylistOperations;
 

metadata/src/playlist/item.rs

@@ -1,5 +1,4 @@
 use std::{
-    convert::{TryFrom, TryInto},
     fmt::Debug,
     ops::{Deref, DerefMut},
 };

metadata/src/playlist/list.rs

@@ -1,5 +1,4 @@
 use std::{
-    convert::{TryFrom, TryInto},
     fmt::Debug,
     ops::{Deref, DerefMut},
 };

metadata/src/playlist/operation.rs

@@ -1,5 +1,4 @@
 use std::{
-    convert::TryFrom,
     fmt::Debug,
     ops::{Deref, DerefMut},
 };

metadata/src/sale_period.rs

@@ -1,5 +1,4 @@
 use std::{
-    convert::TryFrom,
     fmt::Debug,
     ops::{Deref, DerefMut},
 };

metadata/src/show.rs

@@ -1,7 +1,4 @@
-use std::{
-    convert::{TryFrom, TryInto},
-    fmt::Debug,
-};
+use std::fmt::Debug;
 
 use crate::{
     availability::Availabilities, copyright::Copyrights, episode::Episodes, image::Images,

metadata/src/track.rs

@@ -1,5 +1,4 @@
 use std::{
-    convert::{TryFrom, TryInto},
     fmt::Debug,
     ops::{Deref, DerefMut},
 };