Remove duplicates in Security Settings

Duplicates:
- Location
- Scanning
- Encryption and Credentials
- Screen Pinning
- Device Admin Apps

Bug: 33701673
Test: make RunSettingsRoboTests
Change-Id: Id06b6d9e82769abfa31a0c3e9900bcebdbd0c13c
Merged-In: I91566b8fb7fdb3b39c8833a6fa8e52bbbf6507b6