style(webui): remove unnoecessary table head

webui/ovpm/app/api.js

@@ -1,7 +1,7 @@
 export var baseURL = window.location.protocol + "//" + window.location.host + "/api/v1"
 
 if (process.env.NODE_ENV !== 'production') {
-    baseURL = "http://192.168.14.181:8080/api/v1" // local pc external ip
+    baseURL = "http://172.16.16.53:8080/api/v1" // local pc external ip
 }
 
 export const endpoints = {

webui/ovpm/app/components/Dashboard/AdminDashboard/index.jsx

@@ -533,7 +533,7 @@ export default class AdminDashboard extends React.Component {
                                     <table className="mui-table mui-table--bordered mui--text-justify">
                                         <thead>
                                             <tr>
-                                                <th>#</th>
+                                                <th></th>
                                                 <th>USERNAME</th>
                                                 <th>IP</th>
                                                 <th>CREATED AT</th>