Remove dead code from oc_to_resource (#852)

Since we don't allocate attributes slice explicitly anymore, we don't need to count attributes

translator/internaldata/oc_to_resource.go

@@ -28,22 +28,6 @@ func ocNodeResourceToInternal(ocNode *occommon.Node, ocResource *ocresource.Reso
  return
  }
 
- // Number of special fields in the Node. See the code below that deals with special fields.
- const specialNodeAttrCount = 7
-
- // Number of special fields in the Resource.
- const specialResourceAttrCount = 1
-
- // Calculate maximum total number of attributes. It is OK if we are a bit higher than
- // the exact number since this is only needed for capacity reservation.
- maxTotalAttrCount := 0
- if ocNode != nil {
- maxTotalAttrCount += len(ocNode.Attributes) + specialNodeAttrCount
- }
- if ocResource != nil {
- maxTotalAttrCount += len(ocResource.Labels) + specialResourceAttrCount
- }
-
  dest.InitEmpty()
  attrs := dest.Attributes()