Remove explicit return of bool

- detected by dogfood

Author: hegza

clippy_lints/src/field_reassign_with_default.rs

@@ -157,10 +157,9 @@ fn is_expr_default<'tcx>(expr: &'tcx Expr<'tcx>, cx: &LateContext<'tcx>) -> bool
         if let ExprKind::Call(ref fn_expr, _) = &expr.kind;
         if let ExprKind::Path(qpath) = &fn_expr.kind;
         if let Res::Def(_, def_id) = qpath_res(cx, qpath, fn_expr.hir_id);
-        // right hand side of assignment is `Default::default`
-        if match_def_path(cx, def_id, &paths::DEFAULT_TRAIT_METHOD);
         then {
-            true
+            // right hand side of assignment is `Default::default`
+            match_def_path(cx, def_id, &paths::DEFAULT_TRAIT_METHOD)
         } else {
             false
         }