Remove it expansion (#2701)

* Remove it-expansion, take 2

* Cleanup

* silly update to test CI

crates/nu-cli/tests/commands/reverse.rs

@@ -4,7 +4,7 @@ use nu_test_support::nu;
 fn can_get_reverse_first() {
     let actual = nu!(
         cwd: "tests/fixtures/formats",
-        "ls | sort-by name | reverse | first 1 | get name | str trim | echo $it"
+        "ls | sort-by name | reverse | first 1 | get name | str trim "
     );
 
     assert_eq!(actual.out, "utf16.ini");