Make form-not-secure controllable as its own separate Finch feature

components/autofill/core/browser/autofill_experiments.cc

Index: components/autofill/core/browser/autofill_experiments.cc
diff --git a/components/autofill/core/browser/autofill_experiments.cc b/components/autofill/core/browser/autofill_experiments.cc
index 28fdc27bff258eef2287595c7c983c2ddb3651ce..4c2070cac1ef2f9d2eb34bb52f1f0a4d4bd3565e 100644
--- a/components/autofill/core/browser/autofill_experiments.cc
+++ b/components/autofill/core/browser/autofill_experiments.cc
@@ -16,7 +16,6 @@
 #include "components/autofill/core/common/autofill_pref_names.h"
 #include "components/autofill/core/common/autofill_switches.h"
 #include "components/prefs/pref_service.h"
-#include "components/security_state/core/switches.h"
 #include "components/sync/driver/sync_service.h"
 #include "components/variations/variations_associated_data.h"
 #include "google_apis/gaia/gaia_auth_util.h"
@@ -228,12 +227,4 @@ bool IsCreditCardUploadEnabled(const PrefService* pref_service,
   return !group_name.empty() && group_name != "Disabled";
 }
 
-bool IsCreditCardAutofillHttpWarningEnabled() {
-  std::string choice =
-      base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
-          security_state::switches::kMarkHttpAs);
-  return choice == security_state::switches::
-                       kMarkHttpWithPasswordsOrCcWithChipAndFormWarning;
-}
-
 }  // namespace autofill