Fix error in uninstall gateway api resources doc (#2127)

Problem: The uninstall Gateway API resources doc default command uninstalls the experimental versions of the CRDs instead of the standard.

Solution: Fix command to point to standard.

site/content/includes/installation/uninstall-gateway-api-resources.md

@@ -7,7 +7,7 @@ docs: "DOCS-1436"
 To uninstall the Gateway API resources, run the following:
 
 ```shell
-kubectl kustomize "https://github.com/nginxinc/nginx-gateway-fabric/config/crd/gateway-api/experimental?ref=v1.3.0" | kubectl delete -f -
+kubectl kustomize "https://github.com/nginxinc/nginx-gateway-fabric/config/crd/gateway-api/standard?ref=v1.3.0" | kubectl delete -f -
 ```
 
 Alternatively, if you installed the Gateway APIs from the experimental channel, run the following: