RFR: 8269672: C1: Remove unaligned move on all architectures

[Tobias Hartmann]

On Fri, 2 Jul 2021 01:35:31 GMT, Yi Yang <yyang at openjdk.org> wrote:

> This is a follow up PR for #3917, it's rather a cleanup, no functional change.
> 
> As @TheRealMDoerr said 
> 
> The "unaligned" parameter is unused on all platforms, now. Note that PPC64 and s390 support unaligned accesses, too. I believe it was used by SPARC which has been removed.
> 
> Thanks！

Looks good to me.

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Marked as reviewed by thartmann (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/4662