[commands] Remove CommandBase (#6545)

wpilibNewCommands/src/main/native/include/frc2/command/CommandBase.h

@@ -1,23 +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.
-
-#pragma once
-
-#include "frc2/command/Command.h"
-
-namespace frc2 {
-/**
- * A Sendable base class for Commands.
- *
- * This class is provided by the NewCommands VendorDep
- *
- * @deprecated All functionality provided by CommandBase has been merged into
- * Command. Use Command instead.
- */
-class [[deprecated("Use Command instead")]] CommandBase : public Command {
- protected:
-  [[deprecated("Use Command instead")]]
-  CommandBase();
-};
-}  // namespace frc2

wpilibNewCommands/src/main/native/include/frc2/command/ParallelDeadlineGroup.h

@@ -16,7 +16,6 @@
 
 #include <wpi/DecayedDerivedFrom.h>
 
-#include "frc2/command/CommandBase.h"
 #include "frc2/command/CommandHelper.h"
 
 namespace frc2 {

wpilibNewCommands/src/main/native/include/frc2/command/ParallelRaceGroup.h

@@ -16,7 +16,6 @@
 
 #include <wpi/DecayedDerivedFrom.h>
 
-#include "frc2/command/CommandBase.h"
 #include "frc2/command/CommandHelper.h"
 
 namespace frc2 {

wpilibNewCommands/src/main/native/include/frc2/command/SequentialCommandGroup.h

@@ -17,7 +17,6 @@
 
 #include <wpi/DecayedDerivedFrom.h>
 
-#include "frc2/command/CommandBase.h"
 #include "frc2/command/CommandHelper.h"
 
 namespace frc2 {