[wpilib] Remove robotInit() (#8199)

Fixes #6622.

wpilibj/src/main/java/edu/wpi/first/wpilibj/IterativeRobotBase.java

@@ -19,8 +19,6 @@ import edu.wpi.first.wpilibj.smartdashboard.SmartDashboard;
  * <p>This class provides the following functions which are called by the main loop,
  * startCompetition(), at the appropriate times:
  *
- * <p>robotInit() -- provide for initialization at robot power-on
- *
  * <p>driverStationConnected() -- provide for initialization the first time the DS is connected
  *
  * <p>init() functions -- each of the following functions is called once when the appropriate mode
@@ -85,17 +83,6 @@ public abstract class IterativeRobotBase extends RobotBase {
 
   /* ----------- Overridable initialization code ----------------- */
 
-  /**
-   * Robot-wide initialization code should go here.
-   *
-   * <p>Users should override this method for default Robot-wide initialization which will be called
-   * when the robot is first powered on. It will be called exactly one time.
-   *
-   * <p>Note: This method is functionally identical to the class constructor so that should be used
-   * instead.
-   */
-  public void robotInit() {}
-
   /**
    * Code that needs to know the DS state should go here.
    *
@@ -109,7 +96,7 @@ public abstract class IterativeRobotBase extends RobotBase {
    *
    * <p>Users should override this method for default Robot-wide simulation related initialization
    * which will be called when the robot is first started. It will be called exactly one time after
-   * RobotInit is called only when the robot is in simulation.
+   * the robot class constructor is called only when the robot is in simulation.
    */
   public void simulationInit() {}
 

wpilibj/src/main/java/edu/wpi/first/wpilibj/TimedRobot.java

@@ -102,8 +102,6 @@ public class TimedRobot extends IterativeRobotBase {
   /** Provide an alternate "main loop" via startCompetition(). */
   @Override
   public void startCompetition() {
-    robotInit();
-
     if (isSimulation()) {
       simulationInit();
     }