* servoshell: Move desktop files
Move files related to winit into a desktop module.
This is a preparation to merge the android and ohos apps into
servoshell.
* servoshell: Format imports
* servoshell: Move panic hook into separate file
* servoshell: Move desktop main
* Consider ohos as not desktop
* servoshell: Adjust dependencies for shared code
* servoshell: Remove native-bluetooth from default features
There currently is no good way to have target specific default features.
* Rename desktop_main.rs to cli.rs
* Remove todo
