[examples] Misc fixes for snippets (#7952)

wpilibcExamples/src/main/cpp/snippets/AnalogEncoder/cpp/Robot.cpp

@@ -2,8 +2,6 @@
 // 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 <numbers>
-
 #include <frc/AnalogEncoder.h>
 #include <frc/TimedRobot.h>
 

wpilibcExamples/src/main/cpp/snippets/DutyCycleEncoder/cpp/Robot.cpp

@@ -2,8 +2,6 @@
 // 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 <numbers>
-
 #include <frc/DutyCycleEncoder.h>
 #include <frc/TimedRobot.h>
 

wpilibcExamples/src/main/cpp/snippets/Encoder/cpp/Robot.cpp

@@ -2,11 +2,8 @@
 // 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 <numbers>
-
 #include <frc/Encoder.h>
 #include <frc/TimedRobot.h>
-#include <frc/smartdashboard/SmartDashboard.h>
 #include <wpi/deprecated.h>
 
 /**

wpilibcExamples/src/main/cpp/snippets/EncoderDrive/cpp/Robot.cpp

@@ -2,8 +2,6 @@
 // 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 <numbers>
-
 #include <frc/Encoder.h>
 #include <frc/TimedRobot.h>
 #include <frc/drive/DifferentialDrive.h>

wpilibcExamples/src/main/cpp/snippets/EncoderHoming/cpp/Robot.cpp

@@ -2,8 +2,6 @@
 // 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 <numbers>
-
 #include <frc/DigitalInput.h>
 #include <frc/Encoder.h>
 #include <frc/TimedRobot.h>

wpilibjExamples/src/main/java/edu/wpi/first/wpilibj/snippets/analogtrigger/Robot.java

@@ -15,7 +15,7 @@ import edu.wpi.first.wpilibj.TimedRobot;
 public class Robot extends TimedRobot {
   // Initializes an AnalogTrigger on port 0
   AnalogTrigger m_trigger0 = new AnalogTrigger(0);
-  // Initializes an AnalogInput on port 1 and enables 2-bit oversampling
+  // Initializes an AnalogInput on port 1
   AnalogInput m_input = new AnalogInput(1);
 
   // Initializes an AnalogTrigger using the above input