gru: remove obsolete pp5000 INA

This INA was removed somewhere between revision 0 and revision 2. Let's
just drop it, since no one should be using revision 0 any more, and this
is confusing external developers, who are hitting servo/I2C errors when
they dump all power readings.

BUG=none
TEST=dut-control on gru rev2

Change-Id: I1cc87ff213ff87cb3f66d7a46a9f2b42706aa37a
Signed-off-by: Brian Norris <briannorris@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/698288
Reviewed-by: Todd Broch <tbroch@chromium.org>
1 file changed