Fix Host Template duplication

Remove disabling of host templates for now, it was meant to stop you
from deleting Host Templates with hosts still attached, but it also
stopped you from being able to duplicate them

host_templates.php

@@ -593,12 +593,12 @@ function clearFilter() {
 				$disabled = false;
 			}
 
-			form_alternate_row('line' . $template['id'], true, $disabled);
+			form_alternate_row('line' . $template['id'], true);
 			form_selectable_cell("<a class='linkEditMain' href='" . htmlspecialchars('host_templates.php?action=edit&id=' . $template['id']) . "'>" . (strlen(get_request_var_request('filter')) ? preg_replace('/(' . preg_quote(get_request_var_request('filter'), '/') . ')/i', "<span class='filteredValue'>\\1</span>", htmlspecialchars($template['name'])) : htmlspecialchars($template['name'])) . '</a>', $template['id']);
 			form_selectable_cell($disabled ? 'No':'Yes', $template['id'], '', 'text-align:right');
 			form_selectable_cell(number_format($template['hosts']), $template['id'], '', 'text-align:right');
 			form_selectable_cell($template['id'], $template['id'], '', 'text-align:right');
-			form_checkbox_cell($template['name'], $template['id'], $disabled);
+			form_checkbox_cell($template['name'], $template['id']);
 			form_end_row();
 		}
 		/* put the nav bar on the bottom as well */