remove rand-read-files.
remove rand-read-files.

flashxio/FlashX,icoming/FlashX,flashxio/FlashX,zheng-da/FlashX,icoming/FlashGraph,flashxio/FlashX,silky/FlashGraph,zheng-da/FlashX,icoming/FlashX,zheng-da/FlashX,icoming/FlashX,icoming/FlashX,flashxio/FlashX,icoming/FlashGraph,silky/FlashGraph,flashxio/FlashX,silky/FlashGraph,silky/FlashGraph,icoming/FlashGraph,icoming/FlashX,icoming/FlashGraph,flashxio/FlashX,zheng-da/FlashX,zheng-da/FlashX,silky/FlashGraph,icoming/FlashGraph