1. Mark a few as Ignore with bug number
2. Remove some tests since they are obsolete.
Bug: 129159331
Test: RunSettingsRoboTests
Change-Id: I801681609c31c1f824c44b49ec89d9d28c716539
To separate it further from Wi-Fi sharing as it was
causing some confusion.
Bug: 129031195
Test: manual test
Change-Id: Ia55e3ed91e92c3ec36ae6a9401897c5c960762da