Remove intent-filters from SettingsSliceProvider

And remove unused methods from SliceDeepLinkSpringBoard.

This is part 1 of b/110156445

Bug: 110156445
Test: atest
Change-Id: Iab36a97332fd847ed911a9e34b505fd4a64522d3
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 90aa55f..32a21b5 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -3021,16 +3021,7 @@
         <provider android:name=".slices.SettingsSliceProvider"
                   android:authorities="com.android.settings.slices;android.settings.slices"
                   android:exported="true"
-                  android:grantUriPermissions="true">
-            <intent-filter>
-                <action android:name="android.intent.action.VIEW" />
-                <category android:name="android.intent.category.DEFAULT" />
-                <category android:name="android.intent.category.BROWSABLE" />
-                <category android:name="android.app.slice.category.SLICE" />
-                <data android:scheme="settings"
-                      android:host="com.android.settings.slices" />
-            </intent-filter>
-        </provider>
+                  android:grantUriPermissions="true" />
 
         <receiver
             android:name=".slices.SliceBroadcastReceiver"