remove opening box in puzzles

ui/puzzle/css/build/_puzzle.scss

@@ -9,7 +9,6 @@
 @import '../../../tree/css/tree';
 @import '../../../ceval/css/ceval';
 @import '../../../ceval/css/eval-gauge';
-@import '../../../chess/css/opening';
 @import '../../../chess/css/control';
 @import '../../../chess/css/promotion';
 @import '../../../chess/css/blindfold';

ui/puzzle/src/ctrl.ts

@@ -240,8 +240,8 @@ export default function(opts, redraw: () => void): Controller {
     });
   };
 
-  function addDests(dests, path, opening) {
-    tree.addDests(dests, path, opening);
+  function addDests(dests, path) {
+    tree.addDests(dests, path);
     if (path === vm.path) {
       withGround(showGround);
       // redraw();

ui/puzzle/src/socket.ts

@@ -16,7 +16,7 @@ export default function(opts) {
     },
     dests: function(data) {
       anaDestsCache[data.path] = data;
-      opts.addDests(data.dests, data.path, data.opening);
+      opts.addDests(data.dests, data.path);
       clearTimeout(anaDestsTimeout);
     },
     destsFailure: function(data) {

ui/puzzle/src/view/main.ts

@@ -9,21 +9,10 @@ import historyView from './history';
 import * as side from './side';
 import * as gridHacks from './gridHacks';
 import { onInsert, bind, bindMobileMousedown } from '../util';
-import { Controller, MaybeVNode } from '../interfaces';
-
-function renderOpeningBox(ctrl: Controller): MaybeVNode {
-  var opening = ctrl.getTree().getOpening(ctrl.vm.nodeList);
-  if (opening) return h('div.opening_box', {
-    attrs: { title: opening.eco + ' ' + opening.name }
-  }, [
-    h('strong', opening.eco),
-    ' ' + opening.name
-  ]);
-}
+import { Controller } from '../interfaces';
 
 function renderAnalyse(ctrl: Controller): VNode {
   return h('div.puzzle__moves.areplay', [
-    renderOpeningBox(ctrl),
     treeView(ctrl)
   ]);
 }