No person shall be or remain upon any footwalk,
sidewalk, doorstep or in any doorway, to the obstruction, hindrance,
delay, disturbance or annoyance of passersby or of persons residing
or doing business in the vicinity thereof; and every person so being
or remaining, when ordered by any police officer or the owner or occupant
of the building to remove, shall immediately peaceably depart and
stay away therefrom.