Clean up DefaultSubscriptionController.getSummary

Which is always overridden by subclass after Change
I7d29b58ca5476ae0bb6fe2e04fecb96164cb1ada

This is a no op.

Bug: 277301125
Test: Manually with Mobile Settings
Test: Unit test
Change-Id: Ifa5928e1026b18c33f2bdd51fdcba267249dcee5
4 files changed