JDK-8233220: Remove Space::_par_seq_tasks member as it was only used by CMS

[Ivan Walulya]

Thanks Per!

//Ivan

> On 31 Jan 2020, at 13:32, Per Liden <per.liden at oracle.com> wrote:
> 
> Looks good.
> 
> /Per
> 
> On 1/31/20 1:22 PM, Ivan Walulya wrote:
>> Hi all,
>> Please review a minor enhancement to remove Space::_par_seq_tasks member which was only used by CMS.
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8233220 <https://bugs.openjdk.java.net/browse/JDK-8233220>
>> Webrev: http://cr.openjdk.java.net/~lkorinth/ivan/8233220/ <http://cr.openjdk.java.net/~lkorinth/ivan/8233220/>
>> Testing: Tier 1 - Tier 3
>> //Ivan