Revert of [Smart Lock] Adds UMA Metrics for actions on Account Chooser.

components/password_manager/core/browser/password_manager_metrics_util.cc

Index: components/password_manager/core/browser/password_manager_metrics_util.cc
diff --git a/components/password_manager/core/browser/password_manager_metrics_util.cc b/components/password_manager/core/browser/password_manager_metrics_util.cc
index 32a0b2497a992005f7c5abce5aca8166fc90d55c..80cb5b39d55532eddaaddb9faf5bae6bf61dc8c8 100644
--- a/components/password_manager/core/browser/password_manager_metrics_util.cc
+++ b/components/password_manager/core/browser/password_manager_metrics_util.cc
@@ -88,12 +88,6 @@
                             AUTO_SIGNIN_PROMO_ACTION_COUNT);
 }
 
-void LogAccountChooserUserAction(AccountChooserUserAction action) {
-  // TODO(vasilii): deprecate the histogram when the new ones hit the Stable.
-  UMA_HISTOGRAM_ENUMERATION("PasswordManager.AccountChooserDialog", action,
-                            ACCOUNT_CHOOSER_ACTION_COUNT);
-}
-
 void LogAccountChooserUserActionOneAccount(AccountChooserUserAction action) {
   UMA_HISTOGRAM_ENUMERATION("PasswordManager.AccountChooserDialogOneAccount",
                             action, ACCOUNT_CHOOSER_ACTION_COUNT);