Clean up an unused slice and classify the custom slice usage.

Test: maunal
Bug: 249101421
Change-Id: I362995c114f65f0105b5e2b8036ecb886bd6663a
diff --git a/src/com/android/settings/slices/CustomSliceRegistry.java b/src/com/android/settings/slices/CustomSliceRegistry.java
index 569a0ea..1cc3276 100644
--- a/src/com/android/settings/slices/CustomSliceRegistry.java
+++ b/src/com/android/settings/slices/CustomSliceRegistry.java
@@ -315,37 +315,28 @@
             .appendPath("always_on_display")
             .build();
 
-    /**
-     * Backing Uri for the Turn on Wi-Fi Slice.
-     */
-    public static final Uri TURN_ON_WIFI_SLICE_URI = new Uri.Builder()
-            .scheme(ContentResolver.SCHEME_CONTENT)
-            .authority(SettingsSliceProvider.SLICE_AUTHORITY)
-            .appendPath(SettingsSlicesContract.PATH_SETTING_ACTION)
-            .appendPath("turn_on_wifi")
-            .build();
-
     @VisibleForTesting
     static final Map<Uri, Class<? extends CustomSliceable>> sUriToSlice;
 
     static {
         sUriToSlice = new ArrayMap<>();
-
-        sUriToSlice.put(BATTERY_FIX_SLICE_URI, BatteryFixSlice.class);
-        sUriToSlice.put(BLUETOOTH_DEVICES_SLICE_URI, BluetoothDevicesSlice.class);
-        sUriToSlice.put(CONTEXTUAL_ADAPTIVE_SLEEP_URI, ContextualAdaptiveSleepSlice.class);
-        sUriToSlice.put(CONTEXTUAL_WIFI_SLICE_URI, ContextualWifiSlice.class);
-        sUriToSlice.put(FACE_ENROLL_SLICE_URI, FaceSetupSlice.class);
         sUriToSlice.put(FLASHLIGHT_SLICE_URI, FlashlightSlice.class);
         sUriToSlice.put(LOCATION_SLICE_URI, LocationSlice.class);
-        sUriToSlice.put(LOW_STORAGE_SLICE_URI, LowStorageSlice.class);
-        sUriToSlice.put(MEDIA_OUTPUT_INDICATOR_SLICE_URI, MediaOutputIndicatorSlice.class);
         sUriToSlice.put(MOBILE_DATA_SLICE_URI, MobileDataSlice.class);
         sUriToSlice.put(PROVIDER_MODEL_SLICE_URI, ProviderModelSlice.class);
         sUriToSlice.put(WIFI_SLICE_URI, WifiSlice.class);
         sUriToSlice.put(DARK_THEME_SLICE_URI, DarkThemeSlice.class);
-        sUriToSlice.put(REMOTE_MEDIA_SLICE_URI, RemoteMediaSlice.class);
         sUriToSlice.put(ALWAYS_ON_SLICE_URI, AlwaysOnDisplaySlice.class);
+        sUriToSlice.put(MEDIA_OUTPUT_INDICATOR_SLICE_URI, MediaOutputIndicatorSlice.class);
+        sUriToSlice.put(REMOTE_MEDIA_SLICE_URI, RemoteMediaSlice.class);
+
+        // Slices for contextual card.
+        sUriToSlice.put(FACE_ENROLL_SLICE_URI, FaceSetupSlice.class);
+        sUriToSlice.put(BATTERY_FIX_SLICE_URI, BatteryFixSlice.class);
+        sUriToSlice.put(CONTEXTUAL_ADAPTIVE_SLEEP_URI, ContextualAdaptiveSleepSlice.class);
+        sUriToSlice.put(CONTEXTUAL_WIFI_SLICE_URI, ContextualWifiSlice.class);
+        sUriToSlice.put(LOW_STORAGE_SLICE_URI, LowStorageSlice.class);
+        sUriToSlice.put(BLUETOOTH_DEVICES_SLICE_URI, BluetoothDevicesSlice.class);
     }
 
     public static Class<? extends CustomSliceable> getSliceClassByUri(Uri uri) {