network: remove explicit declaration of the physical interfaces

Allow the bonding and vlan interfaces to be configured during the startup with debian11

Related to T3813

Test Plan

diff origin/production/db1.internal.staging.swh.network current/db1.internal.staging.swh.network
*******************************************
- Concat::Fragment[enp2s0f0_stanza]
*******************************************
- Concat::Fragment[enp2s0f1_stanza]
*******************************************
- Concat_fragment[enp2s0f0_stanza]
*******************************************
- Concat_fragment[enp2s0f1_stanza]
*******************************************
- Debnet::Iface[enp2s0f0]
*******************************************
- Debnet::Iface[enp2s0f1]
*******************************************
*** End octocatalog-diff on db1.internal.staging.swh.network

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Migrated from D6870 (view on Phabricator)