[CLEANUP] Remove un-used field

Change-Id: Icfd49a24bdf666abef25de4c328623c389f9e7db
[FEATURE] Add field identifier in the grid

Change-Id: I9a170ea183d131860e1ada3d78bbc4303d5553ce
[FEATURE] Add check whether the storage was configured

Change-Id: I4c8f4949eb2833972091b9fe9c2ee10f6bfc06a2