Revert "config: update leo config"

This reverts commit 9fb6d5208323a786f689bca7ff4a20bd6314fdb6.
Revert "config: enable ROW"

This reverts commit b9a9090b7e46f14fb4fd978bc8c9dce09f675d48.
Revert "block: fixes required to make the kernel compile with ROW."

This reverts commit ae7c89db35c95d7556dea62038c50708c0ddfdb1.
Revert "block: row: squash commits from codeaurora."

This reverts commit 679fa9d15d8860ad2532d06c0fd5841a73e358d7.
Revert "block: Add API for urgent request handling"

This reverts commit 360f5ee3aa6ccd0d8a78451c2de16c12a1a29116.
Revert "block: Add support for reinsert a dispatched req"

This reverts commit 5eb3d3cf3f80c00f80b3d79f249e09b1f05a2ec4.