[fix] remove trailing whitespaces

searx/static/themes/oscar/less/logicodev/results.less

     .favicon {
         margin-bottom:-3px;
     }
-    
+
     a {
         color: @black;
         text-decoration: none;
         &:visited{
             color: @violet;
         }
-        
+
         .highlight {
             background-color: @dim-gray;
             // Chrome hack: bold is different size than normal

searx/static/themes/oscar/less/pointhi/results.less

     .favicon {
         margin-bottom:-3px;
     }
-    
+
     a {
         vertical-align: bottom;
-        
+
         .highlight {
             font-weight:bold;
         }