Fix

Author: saethlin

compiler/rustc_middle/src/mir/mono.rs

@@ -1,7 +1,6 @@
 use std::fmt;
 use std::hash::Hash;
 
-use rustc_attr::InlineAttr;
 use rustc_data_structures::base_n::{BaseNString, CASE_INSENSITIVE, ToBaseN};
 use rustc_data_structures::fingerprint::Fingerprint;
 use rustc_data_structures::fx::FxIndexMap;