No pointer events on the sidebar strip

This is unnecessary and less obvious than the toggle button, which
means it's not worth the egregious fail of preventing interaction
with scrollbars, etc.

h/static/scripts/annotator/plugin/bucket-bar.coffee

@@ -45,13 +45,6 @@ class Annotator.Plugin.BucketBar extends Annotator.Plugin
     for event in events
       @annotator.subscribe event, this._scheduleUpdate
 
-    @element.on 'click', (event) =>
-      event.stopPropagation()
-      @annotator.showFrame()
-
-    @element.on 'mouseup', (event) =>
-      event.stopPropagation()
-
     $(window).on 'resize scroll', this._scheduleUpdate
     $(document.body).on 'resize scroll', '*', this._scheduleUpdate
 

h/static/styles/bucket-bar.scss

@@ -2,7 +2,7 @@
 
 .annotator-bucket-bar {
   background: hsla(0, 0, 0, .1);
-  cursor: ew-resize;
+  pointer-events: none;
   position: absolute;
   height: 100%;
   width: $bucket-bar-width;