Small JS bindings tweaks

- no destroy for math
- tweak example print results
- namespace naming consistency

applications/system/js_app/examples/apps/Scripts/keyboard.js

@@ -2,4 +2,4 @@ let keyboard = require("keyboard");
 
 let text = keyboard.text(100, "Please Input Shit", 1);
 
-print(text);
+print("Got text:", text);