Don't check battery usage in excessive bg anomaly

We don't need it anymore because we don't auto restrict this
anomaly.

Bug: 79210436
Test: robo test still pass
Change-Id: I186213a57f9bf54a0e19985f2c92169c6dc0571c

tests/robotests/src/com/android/settings/fuelgauge/BatteryUtilsTest.java

@@ -580,18 +580,6 @@ public class BatteryUtilsTest {
         assertThat(mBatteryUtils.isForceAppStandbyEnabled(UID, PACKAGE_NAME)).isFalse();
     }
 
-    @Test
-    public void testIsAppHeavilyUsed_usageMoreThanThreshold_returnTrue() {
-        assertThat(mBatteryUtils.isAppHeavilyUsed(mBatteryStatsHelper, mUserManager, UID,
-                10 /* threshold */ )).isTrue();
-    }
-
-    @Test
-    public void testIsAppHeavilyUsed_usageLessThanThreshold_returnFalse() {
-        assertThat(mBatteryUtils.isAppHeavilyUsed(mBatteryStatsHelper, mUserManager, UID,
-                DISCHARGE_AMOUNT /* threshold */ )).isFalse();
-    }
-
     @Test
     public void testShouldHideAnomaly_systemAppWithLauncher_returnTrue() {
         final List<ResolveInfo> resolveInfos = new ArrayList<>();