feat(caches): cache page shows all keys since there should be only 1 per repo now

rhodecode/templates/admin/repos/repo_edit_caches.mako

@@ -41,9 +41,8 b''
         Cache keys used to signal repository state changes after operations such as push, strip etc.
       </p>
       <div class="field">
-           <a href="#showKeys" onclick="$('#signal-keys').toggle()">${_('Show all')} ${len(c.rhodecode_db_repo.cache_keys)}</a>
 
-           <table class="rctable edit_cache" id="signal-keys" style="display: none">
+           <table class="rctable edit_cache" id="signal-keys">
            <tr>
             <th>${_('Key')}</th>
             <th>${_('State UID')}</th>