RFR: 8314656: GHA: No need for Debian ports keyring installation after JDK-8313701 [v4]

[Fei Yang]

On Wed, 23 Aug 2023 08:40:25 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

>> There is no need for keyring installation after [JDK-8313701](https://bugs.openjdk.org/browse/JDK-8313701). We can simplify that part to reduce the difference between different JDK releases.
>> 
>> Additional testing:
>>  - [ ] GHA
>
> Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains three commits:
> 
>  - Merge branch 'master' into JDK-8314656-gha-nokeyring
>  - Merge branch 'master' into JDK-8314656-gha-nokeyring
>  - Fix

LGTM. Thanks for the cleanup.

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Marked as reviewed by fyang (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/15362#pullrequestreview-1591060096