Remove unused property

Change-Id: I3fabd19b89fbff6a5e2f73a5e86e3182d55bbc55
n7000: sensors: Add batching FIFO sizes to sSensorList

Partial merge from here: https://github.com/omnirom/android_device_samsung_n7000/commit/a6fa2ce1b8fd98bd32c7b888d4bfc90158179b9d
Credits to Entropy512

Change-Id: I50a6bf71d8ed7353549e3beaec6dbad08cdac9b0