GF-40484: do not add body classes at load time

The enyo.updateI18NClasses function is no longer called at load time.
Instead, the enyo.updateLocale function will call it when the
container is ready for it during its morph to an enyo app.

Enyo-DCO-1.1-Signed-Off-By: Edwin Hoogerbeets (edwin.hoogerbeets@lge.com)