[crac] RFR: 8354514: [CRaC] Remove new methods from AbstractInterruptibleChannel and SocketImpl [v2]

[Timofei Pushkin]

On Mon, 14 Apr 2025 14:00:54 GMT, Radim Vansa <rvansa at openjdk.org> wrote:

>> Fix errors in JCK due to newly exposed methods.
>
> Radim Vansa has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add license header

"1059 successful checks" — clearly everything has been tested here 😁

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Marked as reviewed by tpushkin (Author).

PR Review: https://git.openjdk.org/crac/pull/222#pullrequestreview-2766941974