Remove explicit IMU reference in log

Change-Id: I5aca293161fc4536b74a81caf2323f48cb38ce70
diff --git a/frc971/control_loops/drivetrain/drivetrain.cc b/frc971/control_loops/drivetrain/drivetrain.cc
index a06bc3b..a50b429 100644
--- a/frc971/control_loops/drivetrain/drivetrain.cc
+++ b/frc971/control_loops/drivetrain/drivetrain.cc
@@ -207,7 +207,7 @@
     }
 
     LOG(DEBUG,
-        "New IMU value from ADIS16448, rate is %f, angle %f, fused %f, bias "
+        "New IMU value, rate is %f, angle %f, fused %f, bias "
         "%f\n",
         rate, angle, down_estimator_.X_hat(0), down_estimator_.X_hat(1));
     down_U_(0, 0) = rate;