[jdk22u] RFR: 8333477: Delete extra empty spaces in Makefiles

[SendaoYan]

On Sat, 8 Jun 2024 10:10:26 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
>   This is clean backport to delete several extra  trailing whitespaces and extra trailing lines in several Makefiles. It's trivial fix, no risk.
>   The commit being backported was authored by SendaoYan on 7 Jun 2024 and was reviewed by Erik Joelsson, Christian Hagedorn, Chen Liang and Julian Waters.
> 
> Thanks.

I think jdk22u not needed backport any longer

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PR Comment: https://git.openjdk.org/jdk22u/pull/246#issuecomment-2211758484