Navigate to Content Manager via the Menu.
Search for the Gamebrain under the Manage tab and click on the Name of the Gamebrain you wish to edit.
Click on the Questions tab.
Click the pencil icon next to the question that you would like to remove.
You will see your question in the side question panel on the right. Click the 3 dots and click Remove.
Click Remove to confirm. If you do not want to remove the question, click Cancel.
Note: You will not be able to retrieve a question that has been removed.