removed todo

Author: dkleinF5

content/waf/install/docker.md

@@ -1348,6 +1348,4 @@ F5 WAF for NGINX should now be operational, and you can move onto [Post-installa
 ## Remove NGINX docker image
 Before removing any Docker image, it’s important to ensure that the image is no longer needed and is not in use.
 
-[docker image rm](https://docs.docker.com/reference/cli/docker/image/rm/) tool
-
-TODO
+[docker image rm](https://docs.docker.com/reference/cli/docker/image/rm/) tool