Removed HA wording for Geo DR docs

doc/administration/geo/disaster_recovery/index.md

@@ -125,10 +125,10 @@ Note the following when promoting a secondary:
    previously for the **secondary** node.
 1. If successful, the **secondary** node has now been promoted to the **primary** node.
 
-#### Promoting a **secondary** node with HA
+#### Promoting a **secondary** node with multiple servers
 
 The `gitlab-ctl promote-to-primary-node` command cannot be used yet in
-conjunction with High Availability or with multiple machines, as it can only
+conjunction with multiple servers, as it can only
 perform changes on a **secondary** with only a single machine. Instead, you must
 do this manually.
 

doc/administration/geo/replication/troubleshooting.md

@@ -568,7 +568,7 @@ is displayed if you attempt to run this command on a primary node.
 ### Message: `sudo: gitlab-pg-ctl: command not found`
 
 When
-[promoting a **secondary** node with HA](../disaster_recovery/index.md#promoting-a-secondary-node-with-ha),
+[promoting a **secondary** node with multiple servers](../disaster_recovery/index.md#promoting-a-secondary-node-with-multiple-servers),
 you need to run the `gitlab-pg-ctl` command to promote the PostgreSQL
 read-replica database.