No. You can manually remove team members from your Algolia applications through the Team Management page. You can get to this page by clicking on your settings at the bottom left of your dashboard sidebar, then clicking the Team button.
If needed, you can restore an API key from the API keys section of your dashboard: https://www.algolia.com/api-keys/restricted
Then you can paste in the key you need to restore and press restore:
There is more detail on this here. You can find an alternative method to restore your API keys here.
As a safeguard against this, we recommend only using the API keys of the user that is the owner of the Application in your production app. This is because the owner's API keys are never deleted (unless you manually delete them yourself).