Revert "Fixes (extends) support for selinux xattrs to more inode types"

This reverts commit 5a69152bb98b797bcfcde5d73ce82dabc6e0d85f.
don't want master ahead of upstream
Revert "Adds support for selinux's rootcontext mount option"

This reverts commit 9e5fc6b74fb63ac35608c2aa0cbad2f56f493c28.
don't want master ahdead of upstream