Revert "[dxgi] Create persistent DxgiOutput object"

This reverts commit ad7f0971cf5ba5ed6dc3ace88badc9fcc9ba7504.
Causes crashes in Overwatch due to weird refcount behaviour.

src/dxgi/dxgi_adapter.cpp

@@ -16,7 +16,6 @@ namespace dxvk {
     const Rc<DxvkAdapter>&  adapter)
   : m_factory (factory),
     m_adapter (adapter) {
-    SetupOutputs();
     SetupFormatTable();
   }
   
@@ -65,10 +64,14 @@ namespace dxvk {
     if (ppOutput == nullptr)
       return DXGI_ERROR_INVALID_CALL;
     
-    if (Output > 0)
+    if (Output > 0) {
+      *ppOutput = nullptr;
       return DXGI_ERROR_NOT_FOUND;
+    }
     
-    *ppOutput = m_output.ref();
+    // TODO support multiple monitors
+    HMONITOR monitor = ::MonitorFromPoint({ 0, 0 }, MONITOR_DEFAULTTOPRIMARY);
+    *ppOutput = ref(new DxgiOutput(this, monitor));
     return S_OK;
   }
   
@@ -274,13 +277,6 @@ namespace dxvk {
   }
   
   
-  void DxgiAdapter::SetupOutputs() {
-    // TODO support multiple monitors
-    HMONITOR monitor = ::MonitorFromPoint({ 0, 0 }, MONITOR_DEFAULTTOPRIMARY);
-    m_output = new DxgiOutput(this, monitor);
-  }
-  
-  
   void DxgiAdapter::SetupFormatTable() {
     /***********************************************************************************/
     /*                           C O L O R     F O R M A T S                           */

src/dxgi/dxgi_adapter.h

@@ -66,7 +66,6 @@ namespace dxvk {
     using FormatMap = std::unordered_map<DXGI_FORMAT, DxgiFormatInfo>;
     
     Com<DxgiFactory>  m_factory;
-    Com<DxgiOutput>   m_output;
     Rc<DxvkAdapter>   m_adapter;
     
     FormatMap         m_colorFormats;
@@ -92,8 +91,6 @@ namespace dxvk {
             VkFormat                          dstFormat,
             VkImageAspectFlags                srvAspect);
     
-    void SetupOutputs();
-    
     void SetupFormatTable();
     
   };