Remove redundant connected notification

Remove the old connected notification since there is a new file
- NetworkStackNotifier.java which will send the connected
notification when captive portal validated.

Bug: 149883761
Test: 1. atest FrameworksNetTests
      2. Sign-in a captive portal and see if there is a redundant
      connected notification.

Change-Id: Id11a9b99dd04772a92af8d527104906c47bf64cd
Merged-In: Id11a9b99dd04772a92af8d527104906c47bf64cd
5 files changed
tree: 2e22033b891223ea5bb87e0d9696534175edfbaf
  1. core/
  2. services/
  3. tests/