RFR: 8253433: Remove -XX:+Debugging product option

Wed Sep 30 15:40:39 UTC 2020

On Wed, 30 Sep 2020 12:38:30 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> The Debugging option shouldn't be used on the command line.  There's a SuppressErrorAt option to ignore certain
> asserts, if there is some situation needing that. Debugging should never be used.
> Tested with tier1 tests on 4 platforms.

LGTM

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Marked as reviewed by stuefe (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/434