clear in_macro

Author: lengyijun

clippy_lints/src/needless_deref.rs

@@ -1,5 +1,4 @@
 use clippy_utils::diagnostics::span_lint_and_help;
-use clippy_utils::in_macro;
 use clippy_utils::source::snippet_opt;
 use rustc_hir::{ExprKind, UnOp};
 use rustc_lint::{LateContext, LateLintPass};
@@ -44,7 +43,7 @@ declare_lint_pass!(NeedlessDeref => [NEEDLESS_DEREF]);
 impl LateLintPass<'_> for NeedlessDeref {
     fn check_expr(&mut self, cx: &LateContext<'tcx>, e: &'tcx rustc_hir::Expr<'_>) {
         if_chain! {
-            if !e.span.from_expansion() && !in_macro(e.span);
+            if !e.span.from_expansion();
             if let ExprKind::AddrOf(_, Mutability::Not, addrof_target) = e.kind;
             if let ExprKind::Unary(UnOp::Deref, deref_target) = addrof_target.kind;
             if !matches!(deref_target.kind, ExprKind::Unary(UnOp::Deref, ..) );
@@ -55,7 +54,7 @@ impl LateLintPass<'_> for NeedlessDeref {
                 let map = cx.tcx.hir();
                 if let Some(parent_hir_id) = map.find_parent_node(e.hir_id){
                     let span=map.span(parent_hir_id);
-                    if span.from_expansion() || in_macro(span) {
+                    if span.from_expansion() {
                         return;
                     }
                     let parent_node = map.find(parent_hir_id);