RFR: JDK-8278014: [vectorapi] Remove test run script

Tue Nov 30 21:19:04 UTC 2021

On Tue, 30 Nov 2021 19:22:53 GMT, Paul Sandoz <psandoz at openjdk.org> wrote:

> Remove Vector API scripts for building and running tests. `jtreg` should be used instead.
> 
> Also updated the test generation script to remove options that assume mercurial as the code repository.

Looks good to me.

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Marked as reviewed by sviswanathan (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/6621