RFR: JDK-8292073: NMT: remove unused constructor parameter from MallocHeader

[Lutz Schmidt]

On Tue, 9 Aug 2022 06:05:48 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

> Trivial change to remove an unused parameter from the constructor of MallocHeader
> 
> (Requires JDK-8292073)

Except for the removed parameter, this PR contains all the changes that come with #9801. 
Why this duplication?

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Changes requested by lucy (Reviewer).

PR: https://git.openjdk.org/jdk/pull/9802