RFR: 1851: Fold CSR bot into PR bot

[Zhao Song]

On Mon, 27 Mar 2023 22:37:25 GMT, Erik Joelsson <erikj at openjdk.org> wrote:

>> In this patch, the whole csr bot module is removed. 
>> 
>> Original CSRPullRequestBot is deleted. The functionality of this bot has been moved to `CheckRun`.
>> 
>> Original CSRIssueBot has been moved to pr bot module. PullRequestBotFactory would generate a CSRIssueBot for every configured Issue project.
>
> bots/pr/src/main/java/org/openjdk/skara/bots/pr/CheckRun.java line 1318:
> 
>> 1316:             }
>> 1317: 
>> 1318:             var csrOptional = Backports.findCsr(jbsIssueOpt.get(), versionOpt.get());
> 
> Can this be unified with the `getCsrIssueTrackerIssues` call right before this method is called? We shouldn't need to fetch CSR issues more than once.

Yes, we can. Fixed it.

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PR Review Comment: https://git.openjdk.org/skara/pull/1492#discussion_r1149915237