Clean up chrome://version page.

ios/chrome/browser/ui/webui/version_ui.mm

Index: ios/chrome/browser/ui/webui/version_ui.mm
diff --git a/ios/chrome/browser/ui/webui/version_ui.mm b/ios/chrome/browser/ui/webui/version_ui.mm
index 76a51fd2a04fd33f76a0177c5e88dc73c51a0ceb..26aa367f5abf6d01caefa0376ed11e92c27e10f3 100644
--- a/ios/chrome/browser/ui/webui/version_ui.mm
+++ b/ios/chrome/browser/ui/webui/version_ui.mm
@@ -21,7 +21,6 @@
 #include "ios/chrome/browser/ui/webui/version_handler.h"
 #include "ios/chrome/common/channel_info.h"
 #include "ios/chrome/grit/ios_chromium_strings.h"
-#include "ios/chrome/grit/ios_strings.h"
 #include "ios/web/public/web_client.h"
 #include "ios/web/public/web_ui_ios_data_source.h"
 #include "ios/web/public/webui/web_ui_ios.h"
@@ -46,10 +45,7 @@ web::WebUIIOSDataSource* CreateVersionUIDataSource() {
   html_source->AddString(version_ui::kVersionModifier,
                          GetChannelString(GetChannel()));
   html_source->AddLocalizedString(version_ui::kOSName, IDS_VERSION_UI_OS);
-  html_source->AddLocalizedString(version_ui::kPlatform,
-                                  IDS_IOS_PLATFORM_LABEL);
   html_source->AddString(version_ui::kOSType, version_info::GetOSType());
-  html_source->AddString(version_ui::kOSVersion, std::string());
 
   html_source->AddLocalizedString(version_ui::kCompany,
                                   IDS_IOS_ABOUT_VERSION_COMPANY_NAME);