RFR: 8288468: Avoid redundant HashMap.get call in NegotiateAuthentication.firstToken

[Jaikiran Pai]

On Mon, 13 Jun 2022 20:01:27 GMT, Andrey Turbanov <aturbanov at openjdk.org> wrote:

> Instead of separate `HashMap.get`+`remove` call, we can use single `HashMap.remove` call and use its return value.
> https://github.com/openjdk/jdk/blob/53a0acee06eb32fba700967c9a34d37ea42f7a99/src/java.base/share/classes/sun/net/www/protocol/http/NegotiateAuthentication.java#L219-L225
> It makes code a bit cleaner and faster.

Marked as reviewed by jpai (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/9145