NEW YORK - M-Streets Media Inc. has announced that tickets to the 2001 World Championships of Wrestling are now on sale.     The World Championships of Wrestling will take place at Madison Square Garden, Sept. 26-29. Tickets for the World Championships are now on sale, with single session ticket prices starting as low as $10.     All session passes are priced as low as $99 for the eight total sessions, with family packages starting as low as $308.     Individual session tickets can be purchased through Ticketmaster by calling (212) 307-7171. All-session passes, group ticket packages, VIP Gold passes and family passes can be purchased by calling toll-free 866-NYC-2001.