If I recall correctly, the 2014 image you posted was the non-updated version (as that obviously wasn't left as empty space). Sony still had that large chunk right next to them, but I don't remember if they had the tiny one.
Can anyone confirm?
EDIT: And here it is:
http://nintendoeverything.com/e3-2014-floor-plans-for-real-this-time/?pid=60230
https://www.e3insider.com/map-experience/west-hall