[examples] Replace usages of SIMULATION macro with constexpr if (#6899)

wpilibcExamples/src/main/cpp/examples/GearsBot/include/subsystems/Wrist.h

@@ -5,6 +5,7 @@
 #pragma once
 
 #include <frc/AnalogPotentiometer.h>
+#include <frc/RobotBase.h>
 #include <frc/motorcontrol/PWMSparkMax.h>
 #include <frc2/command/PIDSubsystem.h>
 
@@ -41,14 +42,12 @@ class Wrist : public frc2::PIDSubsystem {
 
  private:
   frc::PWMSparkMax m_motor{6};
-
-// Conversion value of potentiometer varies between the real world and
-// simulation
-#ifndef SIMULATION
-  frc::AnalogPotentiometer m_pot{3, -270.0 / 5};
-#else
-  frc::AnalogPotentiometer m_pot{3};  // Defaults to degrees
-#endif
+  // Conversion value of potentiometer varies between the real world and
+  // simulation
+  frc::AnalogPotentiometer m_pot =
+      frc::RobotBase::IsReal()
+          ? frc::AnalogPotentiometer{3, -270.0 / 5}
+          : frc::AnalogPotentiometer{3};  // Defaults to degrees
 
   static constexpr double kP = 1;
 };