Remove extra newlines after open curly braces (NFC) (#3471)

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

@@ -16,7 +16,6 @@ import java.util.function.BooleanSupplier;
  * specified explicitly from the command implementation.
  */
 public interface Command {
-
   /** The initial subroutine of a command. Called once when the command is initially scheduled. */
   default void initialize() {}
 

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

@@ -12,7 +12,6 @@ import java.util.Set;
 
 /** A {@link Sendable} base class for {@link Command}s. */
 public abstract class CommandBase implements Sendable, Command {
-
   protected Set<Subsystem> m_requirements = new HashSet<>();
 
   protected CommandBase() {

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

@@ -194,7 +194,6 @@ public class MecanumControllerCommand extends CommandBase {
       Supplier<MecanumDriveWheelSpeeds> currentWheelSpeeds,
       Consumer<MecanumDriveMotorVoltages> outputDriveVoltages,
       Subsystem... requirements) {
-
     this(
         trajectory,
         pose,

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

@@ -20,7 +20,6 @@ package edu.wpi.first.wpilibj2.command;
  * base for user implementations that handles this.
  */
 public interface Subsystem {
-
   /**
    * This method is called periodically by the {@link CommandScheduler}. Useful for updating
    * subsystem-specific state that you don't want to offload to a {@link Command}. Teams should try

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

@@ -13,7 +13,6 @@ import edu.wpi.first.util.sendable.SendableRegistry;
  * method for setting the default command.
  */
 public abstract class SubsystemBase implements Subsystem, Sendable {
-
   /** Constructor. */
   public SubsystemBase() {
     String name = this.getClass().getSimpleName();