Move support buffer update out of the backends (#5411)

* Move support buffer update out of the backends

* Fix render scale init and remove redundant state from SupportBufferUpdater

* Stop passing texture scale to the backends

* XML docs for SupportBufferUpdater

src/Ryujinx.Graphics.Vulkan/TextureView.cs

@@ -32,7 +32,6 @@ namespace Ryujinx.Graphics.Vulkan
         public int Layers => Info.GetDepthOrLayers();
         public int FirstLayer { get; }
         public int FirstLevel { get; }
-        public float ScaleFactor => Storage.ScaleFactor;
         public VkFormat VkFormat { get; }
         public bool Valid { get; private set; }