Revert "condense/collapse: Fix MLV to update for new messages."

This reverts commit a6793a14f1.

This was causing weird 0-height display issues.

static/js/message_list_view.js

@@ -1147,9 +1147,6 @@ MessageListView.prototype = {
         this._post_process(rendered_msg);
         row.replaceWith(rendered_msg);
 
-        row = this.get_row(message_container.msg.id);
-        condense.condense_and_collapse(row);
-
         if (was_selected) {
             this.list.select_id(message_container.msg.id);
         }