fix exec in completion command
@@ -78,8 +78,6 @@ impl Command for CompletionCommand {
async fn exec_matches(&self, _writer: &mut Writer, args: Option<&ArgMatches>) -> Result<()> {
let mut clap = self.clap();
match args
- .unwrap()
- .subcommand_matches("completion")
.unwrap()
.value_of("completion")
{
