Revert "Remove the bind mount for dev/console which override the mknod/label"

This reverts commit ae85dd54582e94d36b146ab1688844ed58cc8df3.

Docker-DCO-1.1-Signed-off-by: Alexander Larsson <alexl@redhat.com> (github: alexlarsson)
libcontainer: Don't create a device node on /dev/console to bind mount on

There is no need for this, the device node by itself doesn't work, since
its not on a devpts fs, and we can just a regular file to bind mount over.

Docker-DCO-1.1-Signed-off-by: Alexander Larsson <alexl@redhat.com> (github: alexlarsson)
Merge pull request #6090 from alexlarsson/fix-console

Fix /dev/console