cleanup unused stuff

auto_rx/autorx/static/css/main.css

@@ -268,13 +268,6 @@ table {
   color: black;
 }
 
-.skewt .hwtlogo {
-  position: relative;
-  margin-top: 0px;
-  margin-left: auto;
-  margin-right: auto;
-}
-
 #myBtn1 {
   cursor: pointer;
   position: absolute;

auto_rx/autorx/templates/index.html

@@ -647,7 +647,6 @@
                     },
                     {title:"SNR (dB)", field:"snr", headerSort:true},
                     {title:"Other", field:"other", width:140, headerSort:false},
-//                    {title:"Terrain", field:"hwt", visible:false},
                     {title:"Real ID", field:"realid", visible:false}
                 ],
             });