remove loading option

Author: skadefro

OpenFlowNodeRED/src/nodered/nodes/rpa.html

@@ -2,7 +2,6 @@
     <div class="form-row">
         <label ><i class="fa fa-tag"></i> Detector</label>
         <select id="node-input-queue-select">
-            <option>Loading...</option>
         </select>
         <input id="node-input-queue" type="hidden">
     </div>