Remove it expansion (#2701)

* Remove it-expansion, take 2

* Cleanup

* silly update to test CI

crates/nu-cli/tests/commands/skip/until.rs

@@ -42,7 +42,6 @@ fn condition_is_met() {
                 | str to-int "31/04/2020"
                 | get "31/04/2020"
                 | math sum
-                | echo $it
                 "#
         ));