Jason Tedor e21d8b31f1 Remove thread pool from page cache recycler
The page cache recycler has a dependency on thread pool that was there
for historical reasons but is no longer needed. This commit removes this
now unneeded dependency.

Relates #18664
2016-05-31 14:51:58 -04:00
..
2016-05-27 08:51:19 -04:00