bump rust 1.84.1 (#1022)

* bump rust 1.84.1

* fix clippy

Author: zjb0807

Diff for: rust-toolchain.toml

@@ -1,4 +1,4 @@
 [toolchain]
-channel = "1.81.0"
+channel = "1.84.1"
 components = ["rustfmt", "clippy"]
 targets = ["wasm32-unknown-unknown"]

Diff for: traits/src/asset_registry.rs

@@ -23,7 +23,6 @@ pub trait AssetProcessor<AssetId, Metadata> {
 #[derive(TypeInfo, Encode, Decode, CloneNoBound, EqNoBound, PartialEqNoBound, RuntimeDebugNoBound, MaxEncodedLen)]
 #[codec(mel_bound(skip_type_params(StringLimit)))]
 #[scale_info(skip_type_params(StringLimit))]
-
 pub struct AssetMetadata<Balance, CustomMetadata, StringLimit: Get<u32>>
 where
 	Balance: Clone + Debug + Eq + PartialEq,

Diff for: traits/src/location.rs

@@ -76,7 +76,7 @@ pub trait RelativeLocations {
 
 impl RelativeLocations for Location {
 	fn sibling_parachain_general_key(para_id: u32, general_key: BoundedVec<u8, ConstU32<32>>) -> Location {
-		return Location::new(1, [Parachain(para_id), general_key.as_bounded_slice().into()]);
+		Location::new(1, [Parachain(para_id), general_key.as_bounded_slice().into()])
 	}
 }