As per discussion on https://discourse.diasporafoundation.org/t/removing-diaspora-s-current-chat-integration/2718, nobody raised serious concerns or objections. Given future plans, we do not think having an unfinished implementation of something that likely will not get finished in the current form is worth it. So let's get rid of it.
This is needed to properly initialize Handlebars partials without a document ready handler. fixes #7739 closes #7740
closes #7565