Disable `yAxisOrientation` in configurator. (isn't stable)

lib/timeline/optionsGraph2d.js

@@ -159,7 +159,7 @@ let allOptions = {
 
 let configureOptions = {
   global: {
-    yAxisOrientation: ['left','right'],
+    //yAxisOrientation: ['left','right'], // TDOO: enable as soon as Grahp2d doesn't crash when changing this on the fly
     sort: true,
     sampling: true,
     stack:false,