Whitespace + general cleanup

By: Erik Broes <erikbroes@grum.nl>

paper-api/src/main/java/org/bukkit/command/PluginCommand.java

@@ -39,10 +39,10 @@ public final class PluginCommand extends Command {
 
         if (!success && usageMessage.length() > 0) {
             for (String line: usageMessage.replace("<command>", commandLabel).split("\n")) {
-                sender.sendMessage( line );
+                sender.sendMessage(line);
             }
         }
-        
+
         return success;
     }
 
@@ -72,4 +72,4 @@ public final class PluginCommand extends Command {
     public Plugin getPlugin() {
         return owningPlugin;
     }
-}
+}