Revert "block: fiops add some trace information"

This reverts commit c200631ea78a17a7ff0b6c7972cb16fd1bd25161.
Revert "block: fiops bias sync workload"

This reverts commit 9b8d599429e99515822a9e0fddcbb7ed5f651084.
Revert "block: fiops preserve vios key for deep queue depth workload"

This reverts commit 877dd34c862a9b6d0b95649503873b82b44a75b8.
Revert "block: fiops add ioprio support"

This reverts commit c0d9c09cdebf78acf20e5538331459a0d9703c8c.
Revert "block: fiops sync/async scale"

This reverts commit 150fa078fe913ac35f51f43740b8d24c7e88125d.
Revert "block: fiops read/write request scale"

This reverts commit a39c0e27c7a7a58236b7c39ab3452ba453aa8a0c.
Revert "Added FIOPS I/O Scheduler"

This reverts commit 0da756223b39c72fd04e6824523b106257ef0170.
Revert "Added V(R) I/O Scheduler"

This reverts commit 69c049df2e531305caa36e26d85748d79e29a090.