Revert "cot: and this"

This reverts commit c80074daa59c35eaf3d04e26f8b5ba28a7e48d99.
Revert "cot: lets try this then"

This reverts commit eb59b7bc1a1fd4a1fc51b2eba9d8994452ae841d.
Revert "cot: selected_theme should be char"

This reverts commit a623e1df0a59119f5b4946f43a097deb7c87642f.
Revert "cot: maybe fix build"

This reverts commit aab8ffaa00e127fccc620a855a9740a3ece88b9c.
Revert "cot: theme selector"

This reverts commit 4a49876fb7f6bff036a5e023e5ce8b8e2c9bf0d4.