RFR: 8272850: Drop zapping values in the Zap* option descriptions

[Aleksey Shipilev]

On Mon, 23 Aug 2021 15:50:35 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Removing a little debugging pitfall. See the bug report for more discussion. 
> Since this does not touch any product option, I don't believe it requires a CSR.

Thanks for reviews!

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PR: https://git.openjdk.java.net/jdk/pull/5223