Reformat and clean up "client" package

src/main/java/client/command/commands/gm0/BuyBackCommand.java

@@ -31,14 +31,14 @@ public class BuyBackCommand extends Command {
     {
         setDescription("Revive yourself after a death.");
     }
-    
+
     @Override
     public void execute(Client c, String[] params) {
         if (params.length < 1) {
             c.getPlayer().yellowMessage("Syntax: @buyback <info|now>");
             return;
         }
-        
+
         if (params[0].contentEquals("now")) {
             BuybackProcessor.processBuyback(c);
         } else {