Remove updating the old, split-out Y member variable.

It was a hack because we hadn't figured out the math which isn't around
any more.

Change-Id: I4c99dd1ec78c6d4d7d3402ecfd4e44380d502b31
diff --git a/y2014/control_loops/claw/claw.cc b/y2014/control_loops/claw/claw.cc
index b2ac562..4f9fe2b 100644
--- a/y2014/control_loops/claw/claw.cc
+++ b/y2014/control_loops/claw/claw.cc
@@ -503,12 +503,10 @@
 }
 
 void ClawLimitedLoop::ChangeTopOffset(double doffset) {
-  mutable_Y()(1, 0) += doffset;
   mutable_X_hat()(1, 0) += doffset;
   LOG(INFO, "Changing top offset by %f\n", doffset);
 }
 void ClawLimitedLoop::ChangeBottomOffset(double doffset) {
-  mutable_Y()(0, 0) += doffset;
   mutable_X_hat()(0, 0) += doffset;
   mutable_X_hat()(1, 0) -= doffset;
   LOG(INFO, "Changing bottom offset by %f\n", doffset);
diff --git a/y2014/control_loops/shooter/shooter.cc b/y2014/control_loops/shooter/shooter.cc
index f137235..2a9f6e8 100644
--- a/y2014/control_loops/shooter/shooter.cc
+++ b/y2014/control_loops/shooter/shooter.cc
@@ -91,10 +91,6 @@
   offset_ = known_position - encoder_val;
   double doffset = offset_ - previous_offset;
   mutable_X_hat(0, 0) += doffset;
-  // Offset our measurements because the offset is baked into them.
-  // This is safe because if we got here, it means position != nullptr, which
-  // means we already set Y to something and it won't just get overwritten.
-  mutable_Y(0, 0) += doffset;
   // Offset the goal so we don't move.
   mutable_R(0, 0) += doffset;
   if (controller_index() == 0) {