Still around, but it’s been revised to conform to the official “Good Old Happy Days” model of the 50s / Diner aesthetic. Like the 80s cafe in “Back to the Future 2.”
Not a lot of room in that left-hand aisle. When someone on the inside had to get up and get out to go and there was someone coming down the aisle while someone else was going up the aisle with a plate, why, the situation was ripe for comic collegiate hijinx. And that’s how I met your mother!