What feature do you want to see added?

An option in the config to remove /to command

Are there any alternatives?

No

Anything else?

I know I, and probably others, have a /to command to go to other players. But now I can't use it, because FAWE has taken over the command.

Such a specific option will not be added. You can work with the plugin's namespace to delegate the command to the appropriate target, e.g /fastasyncworldedit:to