[BUGFIX beta] Remove SafeString deprecation.#13442

Merged

rwjblue merged 2 commits intoemberjs:masterfrom

rwjblue:remove-safestring-deprecation

May 4, 2016

Commits on May 3, 2016

Revert "Fix deprecation for Ember.Handlebars.SafeString."
rwjblue
committed
Revert "Deprecate Ember.Handlebars.SafeString in favor of Ember.String.htmlSafe"
rwjblue
committed