kafka: remove the physical interface declaration

to make the bonding interface configuration work on bullseye

Related to T3762

Test Plan

diff origin/production/kafka1.internal.softwareheritage.org current/kafka1.internal.softwareheritage.org
*******************************************
  Concat::Fragment[bond0_stanza] =>
   parameters =>
     order =>
      - 45
      + 35
*******************************************
- Concat::Fragment[enp94s0f0np0_stanza]
*******************************************
- Concat::Fragment[enp94s0f1np1_stanza]
*******************************************
  Concat::Fragment[vlan1300_stanza] =>
   parameters =>
     order =>
      - 55
      + 45
*******************************************
  Concat::Fragment[vlan440_stanza] =>
   parameters =>
     order =>
      - 55
      + 45
*******************************************
  Concat_fragment[bond0_stanza] =>
   parameters =>
     order =>
      - 45
      + 35
*******************************************
- Concat_fragment[enp94s0f0np0_stanza]
*******************************************
- Concat_fragment[enp94s0f1np1_stanza]
*******************************************
  Concat_fragment[vlan1300_stanza] =>
   parameters =>
     order =>
      - 55
      + 45
*******************************************
  Concat_fragment[vlan440_stanza] =>
   parameters =>
     order =>
      - 55
      + 45
*******************************************
  Debnet::Iface[bond0] =>
   parameters =>
     order =>
      - -5
      + -15
*******************************************
- Debnet::Iface[enp94s0f0np0]
*******************************************
- Debnet::Iface[enp94s0f1np1]
*******************************************
  Debnet::Iface[vlan1300] =>
   parameters =>
     order =>
      - 15
      + 5
*******************************************
  Debnet::Iface[vlan440] =>
   parameters =>
     order =>
      - 15
      + 5
*******************************************
*** End octocatalog-diff on kafka1.internal.softwareheritage.org

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Migrated from D6732 (view on Phabricator)