Remove redundant self usages

Author: mu001999

clippy_lints/src/methods/iter_out_of_bounds.rs

@@ -5,7 +5,7 @@ use clippy_utils::res::{MaybeDef, MaybeTypeckRes};
 use rustc_ast::LitKind;
 use rustc_hir::{Expr, ExprKind};
 use rustc_lint::LateContext;
-use rustc_middle::ty::{self};
+use rustc_middle::ty;
 
 use super::ITER_OUT_OF_BOUNDS;
 

clippy_lints/src/methods/manual_contains.rs

@@ -8,7 +8,7 @@ use rustc_errors::Applicability;
 use rustc_hir::def::Res;
 use rustc_hir::{BinOpKind, Body, Expr, ExprKind, HirId, QPath};
 use rustc_lint::LateContext;
-use rustc_middle::ty::{self};
+use rustc_middle::ty;
 use rustc_span::source_map::Spanned;
 
 use super::MANUAL_CONTAINS;

clippy_lints/src/types/linked_list.rs

@@ -1,7 +1,7 @@
 use clippy_utils::diagnostics::span_lint_and_help;
 use clippy_utils::sym;
 use rustc_hir::def_id::DefId;
-use rustc_hir::{self as hir};
+use rustc_hir as hir;
 use rustc_lint::LateContext;
 
 use super::LINKEDLIST;

clippy_lints/src/types/owned_cow.rs

@@ -4,7 +4,7 @@ use clippy_utils::source::snippet_opt;
 use clippy_utils::sym;
 use rustc_errors::Applicability;
 use rustc_hir::def_id::DefId;
-use rustc_hir::{self as hir};
+use rustc_hir as hir;
 use rustc_lint::LateContext;
 use rustc_span::Span;