try to 🔪 (very) old sync/out-of-sync logic

Author: etpinard

src/components/fx/hover.js

@@ -224,17 +224,11 @@ function _hover(gd, evt, subplot, noHoverEvent) {
     for(var i = 0; i < len; i++) {
         var spId = subplots[i];
 
-        // 'cartesian' case
-        var plotObj = plots[spId];
-        if(plotObj) {
+        if(plots[spId]) {
+            // 'cartesian' case
             supportsCompare = true;
-
-            // TODO make sure that fullLayout_plots axis refs
-            // get updated properly so that we don't have
-            // to use Axes.getFromId in general.
-
-            xaArray[i] = Axes.getFromId(gd, plotObj.xaxis._id);
-            yaArray[i] = Axes.getFromId(gd, plotObj.yaxis._id);
+            xaArray[i] = plots[spId].xaxis;
+            yaArray[i] = plots[spId].yaxis;
         } else if(fullLayout[spId] && fullLayout[spId]._subplot) {
             // other subplot types
             var _subplot = fullLayout[spId]._subplot;