* Revert "Include a directory with Flutter assets (#12944)"
This reverts commit 3af6b9cbf5787b4db6b4bad7494fe41addf5703d.
* Revert "Upgrade project.pbxproj to include flutter_assets (#13011)"
This reverts commit 08128cb29b28db00c2301f546bc59de33017074a.
* Revert "Upgrade complex_layout project.pbxproj to include flutter_assets (#13544)"
This reverts commit 35f1a04195e69afb5cc1e6588abad5476db3a5d8.
* mark complex_layout_ios__start_up as flaky