Removed vendored deps

vendor/git.knownelement.com/ExternalVendorCode/mo/demo/using-strings

@@ -1,7 +0,0 @@
-#!/usr/bin/env bash
-#
-# This example does not source `mo` and is intentionally restricted to
-# variables that are not arrays.
-cd "$(dirname "$0")" # Go to the script's directory
-export TEST="This is a test"
-echo "Your message:  {{TEST}}" | ../mo