Revert "iommu/arm-smmu: Mark S1 bypass domains as UNMANAGED domains"

This reverts commit 7ac121f5.
This change is not relevant for the current kernel version.

Change-Id: Ie62d7e81be7834f63a5eb89d2c85daf03710ea9c
Signed-off-by: Isaac J. Manjarres <isaacm@codeaurora.org>