* Revert "fix double title on windows (again)"

This reverts commit c8494e2b.

* Revert "fix broken menu on macOS"

This reverts commit 7bd13420.

* Revert "windows - fix double title"

This reverts commit c3f6b4fc.

* Revert "make custom titlebar default on windows"

This reverts commit 43676d0c.