fix: helm docs

Author: a5r0n

docs/sources/setup/install/helm/reference.md

@@ -4346,7 +4346,7 @@ See values.yaml
 			<td>string</td>
 			<td>Allows appending custom configuration to the http block, passed through the `tpl` function to allow templating</td>
 			<td><pre lang="json">
-"{{ if .Values.loki.tenants }}proxy_set_header X-Scope-OrgID $remote_user;{{ end }}"
+""
 </pre>
 </td>
 		</tr>