Minor cleanup in DashboardFragment: remove unused code

Bug: 73668763
Test: n/a
Change-Id: I95afbcf03987123e4ed8b76efbed299a7beb4448
diff --git a/src/com/android/settings/dashboard/DashboardFragment.java b/src/com/android/settings/dashboard/DashboardFragment.java
index 6a88a38..a4f9a6b 100644
--- a/src/com/android/settings/dashboard/DashboardFragment.java
+++ b/src/com/android/settings/dashboard/DashboardFragment.java
@@ -27,9 +27,6 @@
 import android.util.ArrayMap;
 import android.util.ArraySet;
 import android.util.Log;
-import android.view.LayoutInflater;
-import android.view.View;
-import android.view.ViewGroup;
 
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.overlay.FeatureFactory;
@@ -58,7 +55,7 @@
             new ArrayMap<>();
     private final Set<String> mDashboardTilePrefKeys = new ArraySet<>();
 
-    protected DashboardFeatureProvider mDashboardFeatureProvider;
+    private DashboardFeatureProvider mDashboardFeatureProvider;
     private DashboardTilePlaceholderPreferenceController mPlaceholderPreferenceController;
     private boolean mListeningToCategoryChange;
     private SummaryLoader mSummaryLoader;
@@ -95,13 +92,6 @@
     }
 
     @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-            Bundle savedInstanceState) {
-        final View view = super.onCreateView(inflater, container, savedInstanceState);
-        return view;
-    }
-
-    @Override
     public void onCategoriesChanged() {
         final DashboardCategory category =
                 mDashboardFeatureProvider.getTilesForCategory(getCategoryKey());