[Matrix]: remove assert in getting pool thread ID.
[Matrix]: remove assert in getting pool thread ID.

icoming/FlashGraph,icoming/FlashX,flashxio/FlashX,icoming/FlashX,icoming/FlashGraph,icoming/FlashX,flashxio/FlashX,icoming/FlashX,icoming/FlashX,icoming/FlashGraph,flashxio/FlashX,icoming/FlashGraph,icoming/FlashGraph,flashxio/FlashX,flashxio/FlashX,flashxio/FlashX