RFR: 8253000: Remove redundant MAKE_SUBDIR argument

[Erik Joelsson]

Hello Adam,

This is a nice cleanup, but please repost as a PR.

/Erik

On 2020-09-10 02:42, Adam Farley8 wrote:
> Hi All,
>
> Reviews and sponsor requested for the removal of the now-redundant
> MAKE_SUBDIR argument in DeclareRecipesForPhase's comment, along with its
> removal from anything that calls that macro.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8253000
>
> Webrev: http://cr.openjdk.java.net/~afarley/8253000/webrev/
>
> Best Regards
>
> Adam Farley
> IBM Runtimes
>
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