This is actually a rare use-case
cpo@LR2.wue3# run show int
Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
Interface IP Address S/L Description
--------- ---------- --- -----------
eth0 - u/u
eth1 - u/D
eth2 - u/D
lo 127.0.0.1/8 u/u
::1/128cpo@LR2.wue3# delete interfaces ethernet eth2 cpo@LR2.wue3# commit
cpo@LR2.wue3# run show int
Codes: S - State, L - Link, u - Up, D - Down, A - Admin Down
Interface IP Address S/L Description
--------- ---------- --- -----------
eth0 - u/u
eth1 - u/D
eth2 - u/D
lo 127.0.0.1/8 u/u
::1/128As the interface is removed from the config we should automatically place it in admin-down state