Remove warnings

Author: alistairjevans

ext/hyper_ruby/src/lib.rs

@@ -10,7 +10,7 @@ use gvl_helpers::nogvl;
 use magnus::block::block_proc;
 use magnus::r_hash::ForEach;
 use magnus::typed_data::Obj;
-use magnus::{function, method, prelude::*, Error as MagnusError, IntoValue, RString, Ruby, Value};
+use magnus::{function, method, prelude::*, Error as MagnusError, IntoValue, Ruby, Value};
 use bytes::Bytes;
 
 use std::cell::RefCell;

ext/hyper_ruby/src/request.rs

@@ -1,4 +1,4 @@
-use magnus::{gc, value::{qnil, Opaque, ReprValue}, DataTypeFunctions, IntoValue, RString, Ruby, TypedData, Value};
+use magnus::{value::{qnil, ReprValue}, RString, Value};
 
 use bytes::Bytes;
 use hyper::Request as HyperRequest;