RFR: JDK-8278014: [vectorapi] Remove test run script [v2]

[Aleksey Shipilev]

On Tue, 30 Nov 2021 23:35:08 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.
>
> Paul Sandoz has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Update copywrite year.

Marked as reviewed by shade (Reviewer).

-------------

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