[Cloud Connect] Simplify API key creation steps (elastic#3583)

Removed unnecessary step to select 'Beats' from dropdown. As of the
latest wizard, you no longer need to select any specific format of the
API Key. Both the encoded and unencoded versions work.

Author: pickypg

deploy-manage/monitor/autoops/cc-connect-self-managed-to-autoops.md

@@ -157,8 +157,7 @@ With this authentication method, you need to create an API key to grant access t
 
 ```
 5. Select **Create API key**.
-6. When prompted to copy the key, select **Beats** from the dropdown.
-7. Copy the key and save it for later. You will need it when you [install the agent](#install-agent). 
+6. Copy the key and save it for later. You will need it when you [install the agent](#install-agent).
 
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