Revert "fix windows hang-on"

This reverts commit c75705b.

Author: Aleksandr Melnyk

flutter_inappwebview_windows/windows/custom_platform_view/graphics_context.cc

@@ -22,20 +22,6 @@ namespace flutter_inappwebview_plugin
     valid_ = true;
   }
 
-  GraphicsContext::~GraphicsContext()
-  {
-    // Explicitly release DirectX resources to prevent hanging process
-    if (device_context_) {
-      device_context_->ClearState();
-      device_context_->Flush();
-      device_context_ = nullptr;
-    }
-    
-    device_winrt_ = nullptr;
-    device_ = nullptr;
-    valid_ = false;
-  }
-
   winrt::com_ptr<ABI::Windows::UI::Composition::ICompositor>
     GraphicsContext::CreateCompositor()
   {

flutter_inappwebview_windows/windows/custom_platform_view/graphics_context.h

@@ -12,7 +12,6 @@ namespace flutter_inappwebview_plugin
   class GraphicsContext {
   public:
     GraphicsContext(rx::RoHelper* rohelper);
-    ~GraphicsContext();
 
     inline bool IsValid() const { return valid_; }
 

flutter_inappwebview_windows/windows/in_app_webview/in_app_webview_manager.cpp

@@ -256,26 +256,6 @@ namespace flutter_inappwebview_plugin
     keepAliveWebViews.clear();
     windowWebViews.clear();
     UnregisterClass(windowClass_.lpszClassName, nullptr);
-    
-    // Properly cleanup static DirectX resources to prevent hanging process
-    if (compositor_) {
-      // Release the extra reference we added in constructor
-      compositor_->Release();
-      compositor_ = nullptr;
-    }
-    
-    // Reset graphics context to release DirectX resources
-    graphics_context_.reset();
-    
-    // Cleanup dispatcher queue controller
-    if (dispatcher_queue_controller_) {
-      dispatcher_queue_controller_ = nullptr;
-    }
-    
-    // Reset RoHelper
-    rohelper_.reset();
-    
-    valid_ = false;
     plugin = nullptr;
   }
 }