RFR: 1885: Add method deleteDeployKeys to HostedRepository

[Zhao Song]

On Wed, 19 Apr 2023 21:22:28 GMT, Erik Joelsson <erikj at openjdk.org> wrote:

>> The method deleteDeployKeys is designed to delete deploy keys from this repository.
>
> forge/src/main/java/org/openjdk/skara/forge/HostedRepository.java line 217:
> 
>> 215:      * The return value is the count of deleted keys
>> 216:      */
>> 217:     int deleteDeployKeys(int age);
> 
> Instead of using int for age, please use a [Duration](https://docs.oracle.com/javase/8/docs/api/java/time/Duration.html).

Sure

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PR Review Comment: https://git.openjdk.org/skara/pull/1505#discussion_r1171879961