Remove poorly chosen 'Fetch' prefix from a few data structures.

* This goes all the way back to the first iterations where these were
  the only structures and 'Fetch' referred to them returning data from
  the core code to the UI.

qrenderdoc/Windows/ConstantBufferPreviewer.cpp

@@ -210,7 +210,7 @@ void ConstantBufferPreviewer::updateLabels()
 
   bool needName = true;
 
-  FetchBuffer *buf = m_Ctx.GetBuffer(m_cbuffer);
+  BufferDescription *buf = m_Ctx.GetBuffer(m_cbuffer);
   if(buf)
   {
     bufName = buf->name;