RFR: 8205129: Remove java.lang.Compiler

[Eirik Bjorsnos]

On Sun, 19 Mar 2023 09:01:26 GMT, Eirik Bjorsnos <duke at openjdk.org> wrote:

> Please help review this PR which suggests we remove the class `java.lang.Compiler`. The class seems non-functional for a decade, and was terminally deprecated in Java 9. Time has come to let it go.

I noticed there are quite a few uses of `-Djava.compiler=none` in the demo netbeans project/build files.

I have filed #13101 and #13098 to take care of those usages.

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PR: https://git.openjdk.org/jdk/pull/13092