behead: we don't need --delimiter to behead

src/cmd/behead.rs

@@ -8,29 +8,22 @@ Usage:
 Common options:
  -h, --help Display this message
  -o, --output <file> Write output to <file> instead of stdout.
- -d, --delimiter <arg> The field delimiter for reading CSV data.
- Must be a single character. (default: ,)
 ";
 
 use serde::Deserialize;
 
-use crate::{
- config::{Config, Delimiter},
- util, CliResult,
-};
+use crate::{config::Config, util, CliResult};
 
 #[derive(Deserialize)]
 struct Args {
- arg_input: Option<String>,
- flag_delimiter: Option<Delimiter>,
- flag_output: Option<String>,
+ arg_input: Option<String>,
+ flag_output: Option<String>,
 }
 
 pub fn run(argv: &[&str]) -> CliResult<()> {
  let args: Args = util::get_args(USAGE, argv)?;
  let conf = Config::new(&args.arg_input)
  .checkutf8(false)
- .delimiter(args.flag_delimiter)
  .no_headers(false);
 
  let mut rdr = conf.reader()?;