RFR: 8276042: Remove unused local variables in java.naming [v2]

[Vyom Tewari]

On Wed, 27 Oct 2021 15:42:32 GMT, Andrey Turbanov <duke at openjdk.java.net> wrote:

>> 8276042: Remove unused local variables in java.naming
>
> Andrey Turbanov has updated the pull request incrementally with one additional commit since the last revision:
> 
>   8276042: Remove unused local variables in java.naming
>   use instanceof pattern

Looks good to me.

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Marked as reviewed by vtewari (Committer).

PR: https://git.openjdk.java.net/jdk/pull/6091