[Catalyst] Clean up GetPreferenceGraphRequest.includeValue

Bug: 332201912
Flag: com.android.settingslib.flags.settings_catalyst
Test: N/A
Change-Id: I069fd48aa4522abaeae6df4f0550f988c1ce85b6

src/com/android/settings/service/PreferenceService.kt

@@ -59,7 +59,6 @@ class PreferenceService : SettingsPreferenceService() {
                     callingPid,
                     callingUid,
                     GetPreferenceGraphRequest(
-                        includeValue = false,
                         flags = PreferenceGetterFlags.METADATA,
                     ),
                 )