Remove WINDOW_TYPE_V1_PANEL AppWindow type

chrome/browser/ui/views/apps/chrome_native_app_window_views.cc

Index: chrome/browser/ui/views/apps/chrome_native_app_window_views.cc
diff --git a/chrome/browser/ui/views/apps/chrome_native_app_window_views.cc b/chrome/browser/ui/views/apps/chrome_native_app_window_views.cc
index a3d48e9b5f50bb135452f819c78e43821fab8358..b710598e5247d6c200b68698ad97c0cb507260af 100644
--- a/chrome/browser/ui/views/apps/chrome_native_app_window_views.cc
+++ b/chrome/browser/ui/views/apps/chrome_native_app_window_views.cc
@@ -360,8 +360,7 @@ void ChromeNativeAppWindowViews::InitializeWindow(
   has_frame_color_ = create_params.has_frame_color;
   active_frame_color_ = create_params.active_frame_color;
   inactive_frame_color_ = create_params.inactive_frame_color;
-  if (create_params.window_type == AppWindow::WINDOW_TYPE_PANEL ||
-      create_params.window_type == AppWindow::WINDOW_TYPE_V1_PANEL) {
+  if (create_params.window_type == AppWindow::WINDOW_TYPE_PANEL) {
     InitializePanelWindow(create_params);
   } else {
     InitializeDefaultWindow(create_params);