wifi: use Passpoint API when forgetting a Passpoint network

Use WifiManager#removePasspointConfiguration when forgetting a
Passpoint network to remove the configuration.

This maintains the legacy behavior, where forgetting a Passpoint
network/AP will remove its provider's profile.

Bug: 34207710
Test: manual test
Change-Id: I8b7f6d9fb20fa9f0f0d90566f76c2a39308ce420
1 file changed