remove safe filter syntax from doc as it's not necessary
remove safe filter syntax from doc as it's not necessary

wmv/flask-paginate,RaghavPro/flask-paginate,RaghavPro/flask-paginate,voltterra/flask-paginate,heejongahn/flask-paginate,heejongahn/flask-paginate,voltterra/flask-paginate,wmv/flask-paginate