RFR: 8284909: [JVMCI] remove remnants of AOT support

Fri Apr 15 16:30:38 UTC 2022

On Fri, 15 Apr 2022 15:30:53 GMT, Doug Simon <dnsimon at openjdk.org> wrote:

> [JDK-8264805](https://bugs.openjdk.java.net/browse/JDK-8264805) removed Graal from the JDK which included support for using Graal as an AOT compiler ([JDK-8166089](https://bugs.openjdk.java.net/browse/JDK-8166089)). There were few bits of support left behind that this PR removes.

Good.

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Marked as reviewed by kvn (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/8263