RFR: 8292607: Remove unused dirty and dirty_card_range_after_reset in CardTable

[Thomas Schatzl]

On Thu, 18 Aug 2022 15:03:18 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Trivial change of removing dead code.
> 
> Test: build

Lgtm and trivial

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Marked as reviewed by tschatzl (Reviewer).

PR: https://git.openjdk.org/jdk/pull/9920