Merge pull request #4477 from grafana/dashlist-style

add card style css for dashlist panels and remove dark border on dash…

public/sass/components/_panel_dashlist.scss

@@ -7,7 +7,6 @@
   margin: 5px;
   padding: 7px;
   background-color: $tight-form-bg;
-  border: 1px solid $tight-form-border;
   .fa {
     float: right;
     padding-top: 3px;