term: Remove `mod command`

This is dead code that imports `anyhow`. On the way to removing the
dependency on `anyhow` from `radicle-term`, it just seems to be a good
idea to remove the cruft.

crates/radicle-term/src/command.rs

@@ -1,19 +0,0 @@
-use std::io::Write;
-use std::process::{Command, Stdio};
-
-pub fn bat<S: AsRef<std::ffi::OsStr>>(
-    args: impl IntoIterator<Item = S>,
-    stdin: &str,
-) -> anyhow::Result<()> {
-    let mut child = Command::new("bat")
-        .stdin(Stdio::piped())
-        .args(args)
-        .spawn()?;
-
-    let writer = child.stdin.as_mut().unwrap();
-    writer.write_all(stdin.as_bytes())?;
-
-    child.wait()?;
-
-    Ok(())
-}

crates/radicle-term/src/io.rs

@@ -10,7 +10,6 @@ use inquire::InquireError;
 use inquire::{ui::Color, ui::RenderConfig, Confirm, CustomType, Password};
 use zeroize::Zeroizing;
 
-use crate::command;
 use crate::format;
 use crate::{style, Paint, Size};
 
@@ -288,10 +287,4 @@ where
         .with_render_config(*CONFIG);
 
     selection.with_starting_cursor(0).prompt()
-}
-
-pub fn markdown(content: &str) {
-    if !content.is_empty() && command::bat(["-p", "-l", "md"], content).is_err() {
-        blob(content);
-    }
-}
+}

crates/radicle-term/src/lib.rs

@@ -1,7 +1,6 @@
 pub mod ansi;
 pub mod cell;
 pub mod colors;
-pub mod command;
 pub mod editor;
 pub mod element;
 pub mod format;