Unify API and Scale types

Device/IO/ParseUtil.cpp

@@ -69,7 +69,7 @@ Scale* Util::Parse::parseScale(std::istream& input_stream)
         ::readLineOfDoubles(coordinates, iss);
         return newListScan(name, coordinates);
 
-    } else if (type == "GenericScale" || type == "Scale" /* for compatibility with pre-21 */) {
+    } else if (type == "GenericScale") {
         std::string name;
         if (!(iss >> name))
             throw std::runtime_error("Reading GenericScale: cannot read name");