Remove unused INetworkManagementService from IpSecService

IpSecService is no longer using any methods of
INetworkManagementService, so remove it from IpSecService
and related files.

Bug: 170598012
Test: atest FrameworksNetTests
Change-Id: I852e3a534e0ffd26b4b22420754f3ec8a6f153ad
1 file changed
tree: ccc15c370f0c1d559a14460faad86332729b150f
  1. core/
  2. services/