Removing question toggle (three lines) at the top of a survey?

[Kal_Lam]

Welcome to the community, @madeleinetan! Maybe this post discussed previously should be able to answer you query:

Customize Navigation Pane

Not that I know. But there is an issue filed for this that could be used to come up with a plan: Allow disabling of ToC per form · Issue #62 · enketo/enketo-express · GitHub.