Assorted whitespace fixes

By: md_5 <git@md-5.net>

paper-api/src/main/java/org/bukkit/conversations/PlayerNamePrompt.java

@@ -7,7 +7,7 @@ import org.bukkit.plugin.Plugin;
  * PlayerNamePrompt is the base class for any prompt that requires the player
  * to enter another player's name.
  */
-public abstract class PlayerNamePrompt extends ValidatingPrompt{
+public abstract class PlayerNamePrompt extends ValidatingPrompt {
     private Plugin plugin;
 
     public PlayerNamePrompt(Plugin plugin) {
@@ -18,7 +18,6 @@ public abstract class PlayerNamePrompt extends ValidatingPrompt{
     @Override
     protected boolean isInputValid(ConversationContext context, String input) {
         return plugin.getServer().getPlayer(input) != null;
-        
     }
 
     @Override