remove deprecated Argument function

src/arg/parsing.rs

@@ -65,18 +65,6 @@ impl Argument
 		 _ => return None,
 	     })
     }
-    /// Convert into a mode change if this is a mode change
-    // We consume the whole output here in case the mode change needs to traverse it for information. As of now, we have only one non-`Normal` mode: `Help`, which doesn't require any extra information.
-
-    #[deprecated(note = "mode selection happens in `into_mode` and early return through `Continue::Abort` will be removed or reworked to not require this function.")]
-    pub fn try_into_mode(self, _rest: Output) -> Result<Mode, (Self, Output)>
-    {
-	match self {
-	    Self::ModeChangeHelp => Ok(Mode::Help),
-	    
-	    no => Err((no, _rest)),
-	}
-    }
     /// Insert this `Argument` into config
     pub fn insert_into_cfg(self, cfg: &mut Config)
     {

src/main.rs

@@ -172,7 +172,7 @@ async fn parse_mode() -> eyre::Result<()>
 {
     match arg::parse_args()
 	.wrap_err(eyre!("Failed to parse args"))
-        .with_suggestion(|| "Try `--help`")?
+        .with_suggestion(|| "Try running `--help`")?
     {
 	arg::Mode::Normal(cfg) => {
 	    #[cfg(debug_assertions)] eprintln!("cfg: {:#?}", cfg);