RFR: 8292187: aarch64: Remove duplicate header files

[Andrew Haley]

On Wed, 10 Aug 2022 12:10:02 GMT, Feilong Jiang <fjiang at openjdk.org> wrote:

> It's a trivial patch that removes duplicate included header files under hotspot/cpu/aarch64.
> 
> aarch64 release and fastdebug build with `--disable-precompiled-headers` passed.

Marked as reviewed by aph (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/9821