Remove unusable request (#703)

Signed-off-by: Liz Snyder <elizabsn@amazon.com>

_im-plugin/ism/settings.md

@@ -27,23 +27,3 @@ Setting | Default | Description
 `plugins.index_state_management.history.rollover_check_period` | 8 hours | The time between rollover checks for the audit history index.
 `plugins.index_state_management.history.rollover_retention_period` | 30 days | How long audit history indices are kept.
 `plugins.index_state_management.allow_list` | All actions | List of actions that you can use.
-
-
-## Audit history indices
-
-If you don't want to disable ISM audit history or shorten the retention period, you can create an [index template]({{site.url}}{{site.baseurl}}/opensearch/index-templates/) to reduce the shard count of the history indices:
-
-```json
-PUT _index_template/ism_history_indices
-{
-  "index_patterns": [
-    ".opendistro-ism-managed-index-history-*"
-  ],
-  "template": {
-    "settings": {
-      "number_of_shards": 1,
-      "number_of_replicas": 0
-    }
-  }
-}
-```

_opensearch/install/plugins.md

@@ -9,14 +9,12 @@ nav_order: 90
 
 You can install individual plugins on an OpenSearch cluster.
 
-
 ---
 
 #### Table of contents
 1. TOC
 {:toc}
-
-
+  
 ---
 
 ## Install a plugin
@@ -342,5 +340,3 @@ opensearch-sql                  1.0.0.0
 </pre>
     </td>
   </tr>
-  </tbody>
-</table>