templates: removed repo_edit_fork template as it was never used.

rhodecode/templates/admin/repos/repo_edit_fork.mako

@@ -1,23 +0,0 @@
-${h.secure_form(url('repo_as_fork', repo_name=c.repo_info.repo_name),method='put')}
-<div class="form">
-   <div class="fields">
-       ${h.select('id_fork_of','',c.repo_list,class_="medium")}
-       ${h.submit('set_as_fork_%s' % c.repo_info.repo_name,_('Set'),class_="btn btn-small",)}
-   </div>
-       <div class="field" >
-       <ul>
-            <li>${_('''Manually set this repository as a fork of another from the list''')}</li>
-       </ul>
-       </div>
-</div>
-${h.end_form()}
-
-<script>
-    $(document).ready(function(){
-        $("#id_fork_of").select2({
-            'containerCssClass': "drop-menu",
-            'dropdownCssClass': "drop-menu-dropdown",
-            'dropdownAutoWidth': true,
-        });
-    })
-</script>