Revert "Added basic functionality of Hardcore Mode, needs testing..."

This reverts commit 1fa4fccbcc.

src/main/java/com/gmail/nossr50/listeners/SelfListener.java

@@ -0,0 +1,32 @@
+package com.gmail.nossr50.listeners;
+
+import org.bukkit.event.EventHandler;
+import org.bukkit.event.Listener;
+
+import com.gmail.nossr50.events.experience.McMMOPlayerXpGainEvent;
+
+/**
+ * Listener for listening to our own events, only really useful for catching errors
+ */
+public class SelfListener implements Listener {
+
+    /**
+     * Monitor internal XP gain events.
+     *
+     * @param event The event to watch
+     */
+    @EventHandler
+    public void onPlayerXpGain(McMMOPlayerXpGainEvent event) {
+        int xp = event.getXpGained();
+
+        if(xp < 0) {
+            try {
+                throw new Exception("Gained negative XP!");
+            }
+            catch (Exception e) {
+                System.out.println(e.getMessage());
+                e.printStackTrace();
+            }
+        }
+    }
+}

src/main/java/com/gmail/nossr50/util/Permissions.java

@@ -32,9 +32,6 @@ public class Permissions {
     /*
      * MCMMO.BYPASS.*
      */
-    public boolean hardcoremodeBypass(Player player) {
-        return player.hasPermission("mcmmo.bypass.hardcoremode");
-    }
     public boolean arcaneBypass(Player player) {
         return player.hasPermission("mcmmo.bypass.arcanebypass");
     }