Remove unused function RegisterPrefsForRecoveryImprovedComponent

The Improved Recovery Component is not using registering prefs.

Bug: 1027159
Change-Id: I737b602d01d8c22af61f027641b9229c228c27ad
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1931539
Commit-Queue: Sorin Jianu <sorin@chromium.org>
Reviewed-by: Joshua Pawlicki <waffles@chromium.org>
Cr-Commit-Position: refs/heads/master@{#720676}

chrome/browser/component_updater/component_updater_prefs.cc

@@ -6,7 +6,6 @@
 
 #include "chrome/browser/component_updater/chrome_component_updater_configurator.h"
 #include "chrome/browser/component_updater/recovery_component_installer.h"
-#include "chrome/browser/component_updater/recovery_improved_component_installer.h"
 #include "chrome/common/buildflags.h"
 
 #if BUILDFLAG(ENABLE_SUPERVISED_USERS)
@@ -18,7 +17,6 @@ namespace component_updater {
 void RegisterPrefs(PrefRegistrySimple* registry) {
   RegisterPrefsForChromeComponentUpdaterConfigurator(registry);
   RegisterPrefsForRecoveryComponent(registry);
-  RegisterPrefsForRecoveryImprovedComponent(registry);
 #if BUILDFLAG(ENABLE_SUPERVISED_USERS)
   SupervisedUserWhitelistInstaller::RegisterPrefs(registry);
 #endif

chrome/browser/component_updater/recovery_improved_component_installer.h

@@ -17,7 +17,6 @@ namespace base {
 class FilePath;
 }  // namespace base
 
-class PrefRegistrySimple;
 class PrefService;
 
 namespace component_updater {
@@ -61,11 +60,6 @@ class RecoveryImprovedInstallerPolicy : public ComponentInstallerPolicy {
 void RegisterRecoveryImprovedComponent(ComponentUpdateService* cus,
                                        PrefService* prefs);
 
-// Registers user preferences related to the recovery component.
-// TODO(sorin): consider removing the function. crbug.com/1027159
-inline void RegisterPrefsForRecoveryImprovedComponent(
-    PrefRegistrySimple* registry) {}
-
 }  // namespace component_updater
 
 #endif  // CHROME_BROWSER_COMPONENT_UPDATER_RECOVERY_IMPROVED_COMPONENT_INSTALLER_H_