Removed support for dual analog hall effect sensors for shifters

Change-Id: Ie521511f5181140de44c35385aac0b01b5116c06
diff --git a/y2014/control_loops/drivetrain/drivetrain_base.cc b/y2014/control_loops/drivetrain/drivetrain_base.cc
index ffb0ee3..2c3a6f8 100644
--- a/y2014/control_loops/drivetrain/drivetrain_base.cc
+++ b/y2014/control_loops/drivetrain/drivetrain_base.cc
@@ -30,8 +30,8 @@
 
       constants::GetValues().high_gear_ratio,
       constants::GetValues().low_gear_ratio,
-      constants::GetValues().left_drive,
-      constants::GetValues().right_drive,
+      constants::GetValues().left_drive.shifter_hall_effect,
+      constants::GetValues().right_drive.shifter_hall_effect,
       true,
       0,
       0.25,