RFR: 8283365: G1: Remove duplicate assertions in HeapRegion::oops_on_memregion_seq_iterate_careful

[Albert Mingkun Yang]

On Fri, 18 Mar 2022 09:29:59 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Simple change of removing duplicate assertions.
> 
> Test: build

Thanks for the review.

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PR: https://git.openjdk.java.net/jdk/pull/7866