RFR: 8299261: Clean up AWT D3D exports

[Sergey Bylokhov]

On Thu, 22 Dec 2022 10:01:02 GMT, Daniel Jeliński <djelinski at openjdk.org> wrote:

> Please review this patch that removes unnecessary exports from awt.dll.
> 
> The exports were introduced in e4c9db984fe1a3a9d06fb60e333e92df3b165454, and as far as I could tell, they were never used; the exported functions are only used inside awt.dll.
> 
> Verified that:
> - debug and release builds finish successfully
> - mach5 client libs tests pass

Marked as reviewed by serb (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/11765