Move PDP values out to a separate queue so the timestamps make sense etc

Change-Id: Iad5303c3446dc29f339f02af9c9c99dd7c75d8e0
diff --git a/frc971/wpilib/wpilib_interface.h b/frc971/wpilib/wpilib_interface.h
index 82936ec..216bf09 100644
--- a/frc971/wpilib/wpilib_interface.h
+++ b/frc971/wpilib/wpilib_interface.h
@@ -8,11 +8,8 @@
 namespace frc971 {
 namespace wpilib {
 
-class PDPFetcher;
-
 // Sends out a message on ::aos::robot_state.
-void SendRobotState(int32_t my_pid, DriverStation *ds,
-                    PDPFetcher *pdp_fetcher);
+void SendRobotState(int32_t my_pid, DriverStation *ds);
 
 }  // namespace wpilib
 }  // namespace frc971