Fix underline on project status badge (#6685)

Author: nlhkabu

warehouse/static/sass/blocks/_status-badge.scss

@@ -44,10 +44,7 @@
   @include link-focus-state($white);
 
   span {
-    background-position: 0 1.15em;
-    background-repeat: repeat-x;
-    background-size: 100% 1.5px;
-    @include white-underlined-link;
+    text-decoration: underline;
   }
 
   &:hover {