Revert "Add setting to show/hide title bar (#37428)" (#38756)

Conrad Irwin and Kirill Bulatov created 

Closes https://github.com/zed-industries/zed/issues/38547

Release Notes:

- Reverted the ability to show/hide the titlebar. This caused rendering
bugs on
macOS, and we're preparing for the redesign which requires the toolbar
being present.

---------

Co-authored-by: Kirill Bulatov <kirill@zed.dev>

Change summary

crates/settings/src/settings_content.rs | 0 
1 file changed

Detailed changes