[BUGFIX] Fixed NPE in IceSpike

* Error:
http://www.projectkorra.com/threads/errorstacks-cause-pastebin-deletes.361/#post-3089

src/com/projectkorra/ProjectKorra/waterbending/IceSpike.java

@@ -187,13 +187,14 @@ public class IceSpike {
 				moveEarth();
 				removeTimers.put(player, System.currentTimeMillis());
 			} else {
+				if (removeTimers.contains(player)) {
 					if (removeTimers.get(player) + removeTimer <= System.currentTimeMillis()) {
 						baseblocks.put(location.clone().add(direction.clone().multiply(-1 * (height))).getBlock(),(height - 1));
 						if (!revertblocks()) {
 							instances.remove(id);
 						}
 					}
-
+				}
 				return false;
 			}
 		}