Revert "Merge pull request #807 from matrix-org/matthew/quick-search"

This reverts commit 0ad1d8caf3, reversing
changes made to 1189368aab.

src/components/structures/TimelinePanel.js

@@ -590,7 +590,6 @@ var TimelinePanel = React.createClass({
                 this.props.timelineSet.room.setUnreadNotificationCount('highlight', 0);
                 dis.dispatch({
                     action: 'on_room_read',
-                    room: this.props.timelineSet.room,
                 });
             }
         }