Remove EC version specification

doc/install/aws/manual_install_aws.md

@@ -390,7 +390,7 @@ persistence and is used to store session data, temporary cache information, and
    chance to deploy Redis in multiple availability zones.
 1. In the settings section:
    1. Give the cluster a name (`gitlab-redis`) and a description.
-   1. For the version, select the latest of the `5.0` series (for example, `5.0.6`).
+   1. For the version, select the latest.
    1. Leave the port as `6379` since this is what we used in our Redis security group above.
    1. Select the node type (at least `cache.t3.medium`, but adjust to your needs) and the number of replicas.
 1. In the advanced settings section: