Zero gyros when enabled.

Change-Id: Ifc300f1b65b0c7ab7a0b3b6d3c4c48f100c53103
diff --git a/frc971/wpilib/ADIS16448.h b/frc971/wpilib/ADIS16448.h
index 4fefd07..c8552bf 100644
--- a/frc971/wpilib/ADIS16448.h
+++ b/frc971/wpilib/ADIS16448.h
@@ -37,8 +37,6 @@
 
   void Quit() { run_ = false; }
 
-  bool gyros_are_zeroed() const { return gyros_are_zeroed_.load(); }
-
   double gyro_x_zeroed_offset() const { return gyro_x_zeroed_offset_; }
   double gyro_y_zeroed_offset() const { return gyro_y_zeroed_offset_; }
   double gyro_z_zeroed_offset() const { return gyro_z_zeroed_offset_; }
@@ -78,7 +76,7 @@
   ::std::atomic<bool> run_{true};
 
   // The averaged values of the gyro over 6 seconds after power up.
-  ::std::atomic<bool> gyros_are_zeroed_{false};
+  bool gyros_are_zeroed_ = false;
   double gyro_x_zeroed_offset_ = 0.0;
   double gyro_y_zeroed_offset_ = 0.0;
   double gyro_z_zeroed_offset_ = 0.0;