Cleanup smart battery entries (1/3)

- Remove smart battery entry from battery settings page since
   restriction app info already move to app list page and smart battery
   feature will keep as enabled, smart battery page will be empty
 - Enable battery usage list page for AOSP

Bug: 277175992
Test: make SettingsRoboTests
Change-Id: I9221cecbfc8445b8f470975551f600e94e3128d5

src/com/android/settings/fuelgauge/PowerUsageFeatureProviderImpl.java

@@ -139,16 +139,6 @@ public class PowerUsageFeatureProviderImpl implements PowerUsageFeatureProvider
         return false;
     }
 
-    @Override
-    public boolean isAdaptiveChargingSupported() {
-        return false;
-    }
-
-    @Override
-    public boolean isBatteryManagerSupported() {
-        return true;
-    }
-
     @Override
     public Intent getResumeChargeIntent(boolean isDockDefender) {
         return null;