rm dead code + comments

Author: etpinard

shelly/plotlyjs/static/plotlyjs/src/axes.js

@@ -2476,6 +2476,7 @@ axes.getSubplots = function(gd, ax) {
         if(spMatch.test(sp)) allSubplots.push(sp);
     }
 
+    // sort the subplot ids
     allSubplots.sort(function(a, b) {
         var aMatch = a.match(spMatch),
             bMatch = b.match(spMatch);

shelly/plotlyjs/static/plotlyjs/src/snapshot/cloneplot.js

@@ -108,10 +108,10 @@ module.exports = function clonePlot(graphObj, options) {
             extendFlat(newLayout[sceneId].xaxis, axesImageOverride);
             extendFlat(newLayout[sceneId].yaxis, axesImageOverride);
             extendFlat(newLayout[sceneId].zaxis, axesImageOverride);
+
+            // TODO what does this do?
             newLayout[sceneId]._scene = null;
         }
-
-        newLayout.glopts = {preserveDrawingBuffer: true};
     }
 
     var td = document.createElement('div');