[Provider Model] Correct the Settings shortcut of the Settings Widget

The Settings is used the "Internet" settings instead of "Wi-Fi" settings
after Provider Model enabled.

The Settings shortcut of the Settings widget should update below.
  - Remove "Wi-Fi" shortcut from the Settings widget
  - Correct the "Network & internet" shortcut to "Internet"

Bug: 194644851
Test: manual test
  atest -c SettingsUnitTests
  make RunSettingsRoboTests
Change-Id: I488327a01f5e539ecbe315b7016f65084dfd59a1
Merged-In: I488327a01f5e539ecbe315b7016f65084dfd59a1
(cherry picked from commit 658a4172)