Revert "block: fiops add some trace information"

This reverts commit 1cb8ec9c7b07a3fbf0af4b96f4bcb46f5f1ec8c2.
Revert "block: fiops bias sync workload"

This reverts commit f57f82fe6f289b83a40edd6b32d901848f55f3d5.
Revert "block: fiops preserve vios key for deep queue depth workload"

This reverts commit 72b56d0f67246c478b0b89effbbca27a1616f0c1.
Revert "block: fiops add ioprio support"

This reverts commit cdb1e997c03c2fcad991a444a18329870a31dff5.
Revert "block: fiops sync/async scale"

This reverts commit e0f1a1b4c45a82d4a68c1558540de12d76abe14c.
Revert "block: fiops read/write request scale"

This reverts commit edb096ee2f220d6555c262df8c6fdcc6b8832862.
Revert "block: fiops ioscheduler core"

This reverts commit 959a30b60b380aa0f7276c7bb8e6926256c44e3a.

Conflicts:
	block/Kconfig.iosched
fix conflict in reverting fair iops