Remove unused function declaration in Autofill prefs

Bug: 40100455
Change-Id: Id7239b014ca50885e2311bc9cf537100095d8786
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6381976
Auto-Submit: Jan Keitel <jkeitel@google.com>
Reviewed-by: Christoph Schwering <schwering@google.com>
Commit-Queue: Christoph Schwering <schwering@google.com>
Cr-Commit-Position: refs/heads/main@{#1436631}
diff --git a/components/autofill/core/common/autofill_prefs.cc b/components/autofill/core/common/autofill_prefs.cc
index 539e5b15..6cc59ce2 100644
--- a/components/autofill/core/common/autofill_prefs.cc
+++ b/components/autofill/core/common/autofill_prefs.cc
@@ -251,9 +251,6 @@
   prefs->SetDict(kAutofillSyncTransportOptIn, base::Value::Dict());
 }
 
-// UsesVirtualViewStructureForAutofill is defined in
-// //chrome/browser/ui/autofill/autofill_client_provider.cc
-
 void SetFacilitatedPaymentsPix(PrefService* prefs, bool value) {
 #if BUILDFLAG(IS_ANDROID)
   prefs->SetBoolean(kFacilitatedPaymentsPix, value);
diff --git a/components/autofill/core/common/autofill_prefs.h b/components/autofill/core/common/autofill_prefs.h
index 1afb7b6..6b37287 100644
--- a/components/autofill/core/common/autofill_prefs.h
+++ b/components/autofill/core/common/autofill_prefs.h
@@ -218,8 +218,6 @@
 
 void ClearSyncTransportOptIns(PrefService* prefs);
 
-bool UsesVirtualViewStructureForAutofill(const PrefService* prefs);
-
 void SetFacilitatedPaymentsPix(PrefService* prefs, bool value);
 
 bool IsFacilitatedPaymentsPixEnabled(const PrefService* prefs);