Move shader resource descriptor creation out of the backend (#2290)

* Move shader resource descriptor creation out of the backend

* Remove now unused code, and other nits

* Shader cache version bump

* Nits

* Set format for bindless image load/store

* Fix buffer write flag

Ryujinx.Graphics.Shader/StructuredIr/StructuredProgramContext.cs

@@ -291,10 +291,6 @@ namespace Ryujinx.Graphics.Shader.StructuredIr
             {
                 Info.IAttributes.Add(attrIndex);
             }
-            else if (operand.Type == OperandType.ConstantBuffer)
-            {
-                Info.CBuffers.Add(operand.GetCbufSlot());
-            }
 
             return GetOperand(operand);
         }