Revert "sdhci: deploy delay on host power down for all configs"

This reverts commit 5bdb901e8d31a9217407ba76377b2cf83bcca734.
Revert "sdhci: deploy delay on host power down for all configs"

This reverts commit 03a362bffe2a5c8ff2bf6496acc816c2dff6c5b9.