Remove language from code fences

to avoid the problem of replaceable text indicates like
<this> not showing up in the output page.

Author: hubwriter

content/actions/creating-actions/setting-exit-codes-for-actions.md

@@ -42,7 +42,7 @@ For more information, see "[Creating a JavaScript action](/articles/creating-a-j
 If you are creating a Docker container action, you can set a failure exit code in your `entrypoint.sh` script. For example:
 
 {% raw %}
-```shell
+```
 if <condition> ; then
   echo "Game over!"
   exit 1

content/admin/enterprise-management/evacuating-a-cluster-node.md

@@ -14,50 +14,50 @@ If you're taking a node offline that has any data services (like git, pages, or
 
 1. Find the `uuid` of the node in with the `ghe-config`command.
 
-    ```shell
+    ```
     $ ghe-config cluster._hostname_.uuid
     ```
 
-2. You'll need to monitor the status of your node while the data is being copied. Ideally, the node shouldn't be taken offline until the copying is complete. To monitor the status of your node, run any of the following commands:  
+2. You'll need to monitor the status of your node while the data is being copied. Ideally, the node shouldn't be taken offline until the copying is complete. To monitor the status of your node, run any of the following commands:
 
     For Git
-    ```shell
+    ```
     ghe-spokes evac-status
     ```
     For {% data variables.product.prodname_pages %}
     {% raw %}
-    ```shell
+    ```
     echo "select count(*) from pages_replicas where host = 'pages-server-<uuid>'" | ghe-dbconsole -y
     ```
     {% endraw %}
     For storage
-    ```shell
+    ```
     ghe-storage evacuation-status
     ```
 
-3. After the copying is complete, you can evacuate the storage service. Run any of the following commands:  
+3. After the copying is complete, you can evacuate the storage service. Run any of the following commands:
 
     For Git
     {% raw %}
-    ```shell
+    ```
     ghe-spokes server evacuate git-server-<uuid>
     ```
     {% endraw %}
     For {% data variables.product.prodname_pages %}
     {% raw %}
-    ```shell
+    ```
     ghe-dpages evacuate pages-server-<uuid>
     ```
     {% endraw %}
     For storage, take the node offline
     {% raw %}
-    ```shell
+    ```
     ghe-storage offline storage-server-<uuid>
     ```
     {% endraw %}
       then evacuate
-    {% raw %}  
-    ```shell
+    {% raw %}
+    ```
     ghe-storage evacuate storage-server-<uuid>
     ```
     {% endraw %}