How to remove shelves in these LG models: LFNS22520S, LFCS22520W, LFC22520S, LFC22520B
If you want to remove shelves, it will be not possible with current door opening angle, then follow next instruction.
Open both refrigerator doors fully until the natural door stopper position.
Firmly lift the right door up and turn the door clock counter-wise.
Doing so will make the right door angle to increase about 25 degrees.
Pull the shelf out and remove it. Now you can close the door normally.