cli/terminal: remove Help struct

The `Help` struct is no longer needed thanks to `clap`, so it is removed.

crates/radicle-cli/src/terminal.rs

@@ -1,6 +1,6 @@
 pub mod args;
 
-pub use args::{Args, Error, Help};
+pub use args::{Args, Error};
 pub mod format;
 pub mod io;
 pub use io::signer;

crates/radicle-cli/src/terminal/args.rs

@@ -15,7 +15,6 @@ use radicle::node::{Address, Alias};
 use radicle::prelude::{Did, NodeId, RepoId};
 
 use crate::git::Rev;
-use crate::terminal as term;
 
 #[derive(thiserror::Error, Debug)]
 pub enum Error {
@@ -36,20 +35,6 @@ pub enum Error {
     },
 }
 
-pub struct Help {
-    pub name: &'static str,
-    pub description: &'static str,
-    pub version: &'static str,
-    pub usage: &'static str,
-}
-
-impl Help {
-    /// Print help to stdout.
-    pub fn print(&self) {
-        term::help(self.name, self.version, self.description, self.usage);
-    }
-}
-
 pub trait Args: Sized {
     fn from_env() -> anyhow::Result<Self> {
         let args: Vec<_> = std::env::args_os().skip(1).collect();