Remove unused imports

Author: Aaron1011

compiler/rustc_typeck/src/check/fn_ctxt/suggestions.rs

@@ -8,7 +8,7 @@ use rustc_errors::{Applicability, DiagnosticBuilder};
 use rustc_hir as hir;
 use rustc_hir::def::{CtorOf, DefKind};
 use rustc_hir::lang_items::LangItem;
-use rustc_hir::{Expr, ExprKind, ItemKind, Node, Stmt, StmtKind};
+use rustc_hir::{Expr, ExprKind, ItemKind, Node};
 use rustc_infer::infer;
 use rustc_middle::lint::in_external_macro;
 use rustc_middle::ty::{self, Binder, Ty};