Revert "Take all VPN underlying networks into account when migrating traffic for"

This reverts commit ee48ac4abd56e00836234be0556ef4437168bf4b.

Reason for revert: This change has been implicated in 4-way deadlocks as seen in b/134244752.

Bug: 134244752
Change-Id: Ibdaad3a4cbf0d8ef1ed53cfab1e454b9b878bae9
3 files changed
tree: e60c49033da3e76a9a6b36505ace08a640fc7d2a
  1. core/
  2. services/
  3. tests/