This is covered under SYNTAX_ERROR which feels like a reasonable choice,
so get rid of this unused field and associated resource string.
Signed-off-by: Harsh Shandilya <me@msfjarvis.dev>
Note that this currently doesn't play well with people activating
wg-quick tunnels from outside the app. Those tunnels won't be
deactivated. But presumably that's desired behavior anyway, considering
people are mucking around at the command line.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
