Remove the CSS styling from sherrif-o-matic builder buttons that made them not look like links

BUG=400418
NOTRY=true

Review URL: https://codereview.chromium.org/470623003

git-svn-id: svn://svn.chromium.org/blink/trunk@180482 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Tools/GardeningServer/ui/ct-builder.html

@@ -8,7 +8,6 @@ found in the LICENSE file.
   <template>
     <style>
       a {
-        border: 1px solid gray;
         display: inline-block;
         font-size: 11px;
         margin-bottom: 2px;
@@ -16,11 +15,6 @@ found in the LICENSE file.
         text-decoration: none;
       }
 
-      span {
-        background-color: #555;
-        color: white;
-        padding: 0 2px;
-      }
     </style>
     <a href="{{ builder.buildUrl }}">
       <span>{{ builder.builder }}</span>