[build] Globally Exclude PMD.TooManyMethods (#2793)

This was not a useful check, as every time we hit it, we simply excluded it.

wpilibNewCommands/src/main/java/edu/wpi/first/wpilibj2/command/Command.java

@@ -18,7 +18,6 @@ import java.util.function.BooleanSupplier;
  * <p>Commands are run synchronously from the main robot loop; no multithreading is used, unless
  * specified explicitly from the command implementation.
  */
-@SuppressWarnings("PMD.TooManyMethods")
 public interface Command {
 
   /**

wpilibNewCommands/src/main/java/edu/wpi/first/wpilibj2/command/CommandScheduler.java

@@ -38,7 +38,7 @@ import edu.wpi.first.wpilibj.smartdashboard.SendableRegistry;
  * {@link CommandScheduler#registerSubsystem(Subsystem...)} in order for their {@link
  * Subsystem#periodic()} methods to be called and for their default commands to be scheduled.
  */
-@SuppressWarnings({"PMD.GodClass", "PMD.TooManyMethods", "PMD.TooManyFields"})
+@SuppressWarnings({"PMD.GodClass", "PMD.TooManyFields"})
 public final class CommandScheduler implements Sendable, AutoCloseable {
   /**
    * The Singleton Instance.

wpilibNewCommands/src/main/java/edu/wpi/first/wpilibj2/command/button/Button.java

@@ -22,7 +22,6 @@ import edu.wpi.first.wpilibj2.command.Subsystem;
  * operator interface as a common use case of the more generalized Trigger objects. This is a simple
  * wrapper around Trigger with the method names renamed to fit the Button object use.
  */
-@SuppressWarnings("PMD.TooManyMethods")
 public class Button extends Trigger {
   /**
    * Default constructor; creates a button that is never pressed (unless {@link Button#get()} is

wpilibNewCommands/src/main/java/edu/wpi/first/wpilibj2/command/button/Trigger.java

@@ -1,5 +1,5 @@
 /*----------------------------------------------------------------------------*/
-/* Copyright (c) 2008-2019 FIRST. All Rights Reserved.                        */
+/* Copyright (c) 2008-2020 FIRST. All Rights Reserved.                        */
 /* Open Source Software - may be modified and shared by FRC teams. The code   */
 /* must be accompanied by the FIRST BSD license file in the root directory of */
 /* the project.                                                               */
@@ -27,7 +27,6 @@ import static edu.wpi.first.wpilibj.util.ErrorMessages.requireNonNullParam;
  * reading a certain sensor input). For this, they only have to write the {@link Trigger#get()}
  * method to get the full functionality of the Trigger class.
  */
-@SuppressWarnings("PMD.TooManyMethods")
 public class Trigger {
   private final BooleanSupplier m_isActive;