Remove Deprecate Code For Desktop Capture Picker Old UI

chrome/browser/ui/cocoa/media_picker/desktop_media_picker_cocoa.mm

Index: chrome/browser/ui/cocoa/media_picker/desktop_media_picker_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/media_picker/desktop_media_picker_cocoa.mm b/chrome/browser/ui/cocoa/media_picker/desktop_media_picker_cocoa.mm
index 8f197beb831ebd59623565c26ea5d906af1fc473..d777da47d5263d7e8c0275f35b9238e9344b3fc5 100644
--- a/chrome/browser/ui/cocoa/media_picker/desktop_media_picker_cocoa.mm
+++ b/chrome/browser/ui/cocoa/media_picker/desktop_media_picker_cocoa.mm
@@ -6,10 +6,7 @@
 
 #include <utility>
 
-#include "base/command_line.h"
-#import "chrome/browser/ui/cocoa/media_picker/desktop_media_picker_controller_deprecated.h"
 #import "chrome/browser/ui/cocoa/media_picker/desktop_media_picker_controller.h"
-#include "extensions/common/switches.h"
 
 DesktopMediaPickerCocoa::DesktopMediaPickerCocoa() {
 }
@@ -28,21 +25,6 @@ void DesktopMediaPickerCocoa::Show(
     std::unique_ptr<DesktopMediaList> tab_list,
     bool request_audio,
     const DoneCallback& done_callback) {
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          extensions::switches::kDisableDesktopCapturePickerNewUI)) {
-    controller_deprecated_.reset([[DesktopMediaPickerControllerDeprecated alloc]
-        initWithScreenList:std::move(screen_list)
-                windowList:std::move(window_list)
-                   tabList:std::move(tab_list)
-                    parent:parent
-                  callback:done_callback
-                   appName:app_name
-                targetName:target_name
-              requestAudio:request_audio]);
-    [controller_deprecated_ showWindow:nil];
-    return;
-  }
-
   controller_.reset([[DesktopMediaPickerController alloc]
       initWithScreenList:std::move(screen_list)
               windowList:std::move(window_list)