Revert "Partially revert ebcd5711 to fix runner pages"

This reverts commit b14719ea.

app/views/admin/runners/_runner.html.haml

@@ -33,7 +33,7 @@
         = tag
   %td
     - if runner.contacted_at
-      #{time_ago_in_words(runner.contacted_at)} ago
+      = time_ago_with_tooltip runner.contacted_at
     - else
       Never
   %td.admin-runner-btn-group-cell

app/views/shared/runners/show.html.haml

@@ -66,6 +66,6 @@
       %td Last contact
       %td
         - if @runner.contacted_at
-          #{time_ago_in_words(@runner.contacted_at)} ago
+          = time_ago_with_tooltip @runner.contacted_at
         - else
           Never