[wpilib] Remove IterativeRobot base class

TimedRobot supersedes it (see commit 81498e6 for reasoning).

wpilibc/src/main/native/cpp/IterativeRobot.cpp

@@ -1,46 +0,0 @@
-// Copyright (c) FIRST and other WPILib contributors.
-// Open Source Software; you can modify and/or share it under the terms of
-// the WPILib BSD license file in the root directory of this project.
-
-#include "frc/IterativeRobot.h"
-
-#include <hal/DriverStation.h>
-#include <hal/FRCUsageReporting.h>
-
-#include "frc/DriverStation.h"
-
-using namespace frc;
-
-static constexpr auto kPacketPeriod = 0.02_s;
-
-IterativeRobot::IterativeRobot() : IterativeRobotBase(kPacketPeriod) {
-  HAL_Report(HALUsageReporting::kResourceType_Framework,
-             HALUsageReporting::kFramework_Iterative);
-}
-
-void IterativeRobot::StartCompetition() {
-  RobotInit();
-
-  if constexpr (IsSimulation()) {
-    SimulationInit();
-  }
-
-  // Tell the DS that the robot is ready to be enabled
-  HAL_ObserveUserProgramStarting();
-
-  // Loop forever, calling the appropriate mode-dependent function
-  while (true) {
-    // Wait for driver station data so the loop doesn't hog the CPU
-    DriverStation::GetInstance().WaitForData();
-    if (m_exit) {
-      break;
-    }
-
-    LoopFunc();
-  }
-}
-
-void IterativeRobot::EndCompetition() {
-  m_exit = true;
-  DriverStation::GetInstance().WakeupWaitForData();
-}