CustomAssetLibrary: Remove unnecessary qualifier in LoadInfo

The type is already in visible scope, so we don't need the rather length
qualifier.

Source/Core/VideoCommon/Assets/CustomAssetLibrary.h

@@ -28,7 +28,7 @@ public:
   struct LoadInfo
   {
     std::size_t m_bytes_loaded = 0;
-    CustomAssetLibrary::TimeType m_load_time = {};
+    TimeType m_load_time = {};
   };
 
   virtual ~CustomAssetLibrary() = default;