That did not go so well

Revert "attempt to bind mount /dev"

This reverts commit 7607116382.

roles/koji_builder/files/runroot.conf

@@ -4,7 +4,7 @@
 ; paths have readonly options and are made writable via extra_mounts
 ; parameter for individual calls.
 ; default_mounts = /mnt/archive,/mnt/workdir
-default_mounts = /mnt/koji,/dev
+default_mounts = /mnt/koji
 
 ; comma-delimited list of safe roots.
 ; Each extra_mount needs to start with some of these prefixes. Other paths are
@@ -37,9 +37,3 @@ path = /mnt/koji
 fstype = bind
 options = bind
 
-[path2]
-mountpoint = /dev
-path = /dev
-fstype = bind
-options = bind
-