Remove swimlane handle at desktop non-handle mode.

client/components/swimlanes/swimlaneHeader.jade

@@ -17,8 +17,6 @@ template(name="swimlaneFixedHeader")
       a.fa.fa-plus.js-open-add-swimlane-menu.swimlane-header-plus-icon
       a.fa.fa-navicon.js-open-swimlane-menu
       unless isMiniScreen
-        unless showDesktopDragHandles
-          a.swimlane-header.handle.fa.fa-arrows.js-swimlane-header-handle
         if showDesktopDragHandles
           a.swimlane-header-handle.handle.fa.fa-arrows.js-swimlane-header-handle
       if isMiniScreen