RFR: 8259487: Remove unused StarTask

[Kim Barrett]

On Thu, 28 Jan 2021 04:27:29 GMT, Ioi Lam <iklam at openjdk.org> wrote:

>> Please review this change which removes the StarTask class.  It was
>> superseded by ScannerTask in JDK-8244684 and JDK-8245022, and is no longer
>> used.
>> 
>> Testing:
>> mach5 tier1
>
> LGTM

Thanks @iklam and @tschatzl for reviews.

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

PR: https://git.openjdk.java.net/jdk/pull/2277