Remove failing HDIO_GETGEO ioctl.

This was copied across from the toolbox code, but it's outlived its
usefulness: the ioctl is failing all the time now because we're acting
on a partition rather than the underlying block device.

Bug: http://b/29899852
Test: adb shell sm set-virtual-disk true
Change-Id: I7f77e342e226b40ded1155f3e320b2604b4c0404
1 file changed