delete font (#1244)

src/webui/src/App.css

 .nni{
-  font-family: 'Segoe';
   color: #212121;
   font-size: 14px;
   background: #f2f2f2;

src/webui/src/index.css

@@ -49,8 +49,4 @@ table {
 	border-collapse: collapse;
 	border-spacing: 0;
 }
-@font-face {
-	font-family: 'Segoe';
-	src: url('./static/font/SegoePro-Regular.ttf');
-}
 

src/webui/src/static/style/table.scss

@@ -30,7 +30,6 @@
     tr{
         text-align: center;
         color:#212121;
-        font-family: 'Segoe';
         font-size: 14px;
         /* background-color: #f2f2f2; */
     }
@@ -38,7 +37,6 @@
         padding: 2px;
         background-color:white !important;
         font-size: 14px;
-        font-family: 'Segoe';
         color: #808080;
         border-bottom: 1px solid #d0d0d0;
         text-align: center;