Swap y2024 drivetrain to use ConstantsFetcher

Simultaneously, remove the line following configuration from the y2024
drivetrain, since that code will not be relevant to this year.

Change-Id: I536bd2dd18080bbaae5d83cb151bbd2353d7896c
Signed-off-by: James Kuszmaul <jabukuszmaul+collab@gmail.com>
diff --git a/y2024/autonomous/autonomous_actor.cc b/y2024/autonomous/autonomous_actor.cc
index a7c656d..6b1d9a5 100644
--- a/y2024/autonomous/autonomous_actor.cc
+++ b/y2024/autonomous/autonomous_actor.cc
@@ -35,7 +35,8 @@
 
 AutonomousActor::AutonomousActor(::aos::EventLoop *event_loop)
     : frc971::autonomous::BaseAutonomousActor(
-          event_loop, control_loops::drivetrain::GetDrivetrainConfig()),
+          event_loop,
+          control_loops::drivetrain::GetDrivetrainConfig(event_loop)),
       localizer_control_sender_(
           event_loop->MakeSender<
               ::frc971::control_loops::drivetrain::LocalizerControl>(