Remove "Device Controls" from Settings

Both device controls and wallet have moved to new areas outside of the
power menu. In step 1, we are removing the device controls settings,
as the user can now fully control availability within the new Quick
Settings device controls tile.

Bug: 185597511
Test: make RunSettingsRoboTests -j ROBOTEST_FILTER=com.android.settings.gestures
Change-Id: Ib9a8c36c0532c095e58bc0ec085b788fc84945d7