Fleet UI: Software no teams view header bugs

[RachelElysia]

Fleet version:

Web browser and operating system:

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💥  Actual behavior

1. Hide manage automations button from no teams view

• Unreleased confirmed with Noah it shouldn't be there

2. Description says "for all hosts" needs update

🧑‍💻  Steps to reproduce

1. Software > No teams

🕯️ More info (optional)

N/A

FE - Rachel, fix incoming today 8/2