[jdk18u] RFR: 8286573: Remove the unnecessary method Attr#attribTopLevel and its usage

[Christoph Langer]

On Sat, 9 Jul 2022 04:30:48 GMT, Guoxiong Li <gli at openjdk.org> wrote:

> Fix Request(18u)
> 
> Request to backport this change to jdk18u. The code applies cleanly.
> 
> Low risk: just clean some unnecessary code and trivial change.
> 
> In order to backport it to 17u-dev, before that, I need to backport it to 18u firstly.
> 
> Thanks.

Hi @lgxbslgx, 18u is done. I think you can close this PR and go straight for a backport to jdk17u-dev.

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PR: https://git.openjdk.org/jdk18u/pull/178