Remove test-bins feature.

crates/nu-test-support/src/bins/chop.rs

@@ -1,47 +0,0 @@
-use std::io::{self, BufRead, Write};
-
-fn main() {
-    if did_chop_arguments() {
-        // we are done and don't care about standard input.
-        std::process::exit(0);
-    }
-
-    // if no arguments given, chop from standard input and exit.
-    let stdin = io::stdin();
-    let mut stdout = io::stdout();
-    for line in stdin.lock().lines() {
-        if let Ok(given) = line {
-            if let Err(_e) = writeln!(stdout, "{}", chop(&given)) {
-                break;
-            }
-        }
-    }
-
-    std::process::exit(0);
-}
-
-fn chop(word: &str) -> &str {
-    if word.is_empty() {
-        word
-    } else {
-        let to = word.len() - 1;
-        &word[..to]
-    }
-}
-
-fn did_chop_arguments() -> bool {
-    let args: Vec<String> = std::env::args().collect();
-
-    if args.len() > 1 {
-        let mut arguments = args.iter();
-        arguments.next();
-
-        for arg in arguments {
-            println!("{}", chop(arg));
-        }
-
-        return true;
-    }
-
-    false
-}

crates/nu-test-support/src/bins/cococo.rs

@@ -1,17 +0,0 @@
-fn main() {
-    let args: Vec<String> = std::env::args().collect();
-
-    if args.len() > 1 {
-        // Write back out all the arguments passed
-        // if given at least 1 instead of chickens
-        // speaking co co co.
-        let mut arguments = args.iter();
-        arguments.next();
-
-        for arg in arguments {
-            println!("{}", &arg);
-        }
-    } else {
-        println!("cococo");
-    }
-}

crates/nu-test-support/src/bins/fail.rs

@@ -1,3 +0,0 @@
-fn main() {
-    std::process::exit(1);
-}

crates/nu-test-support/src/bins/iecho.rs

@@ -1,13 +0,0 @@
-use std::io::{self, Write};
-
-fn main() {
-    let args: Vec<String> = std::env::args().collect();
-
-    // println! panics if stdout gets closed, whereas writeln gives us an error
-    let mut stdout = io::stdout();
-    let _ = args
-        .iter()
-        .skip(1)
-        .cycle()
-        .try_for_each(|v| writeln!(stdout, "{}", v));
-}

crates/nu-test-support/src/bins/nonu.rs

@@ -1,3 +0,0 @@
-fn main() {
-    std::env::args().skip(1).for_each(|arg| print!("{}", arg));
-}