RFR: 8268272: Remove JDK-8264874 changes because Graal was removed.

Fri Jun 4 18:24:55 UTC 2021

On Fri, 4 Jun 2021 17:40:48 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

> JDK-8264806 removed Graal sources from JDK and INCLUDE_GRAAL is not defined anymore. We can now remove code added by JDK-8264874: 
> https://github.com/openjdk/jdk/commit/951f277a
> 
> Tested Tier1.

Marked as reviewed by erikj (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/4367