Fix a handful of Javadoc issues - need to check through the rest later to ensure that we actually have updated JDs for everything

src/main/java/com/gmail/nossr50/skills/repair/Repair.java

@@ -42,10 +42,8 @@ public class Repair {
      *
      * @param player Player repairing the item
      * @param profile PlayerProfile of the repairing player
-     * @param is Item being repaired
      * @param durabilityBefore Durability of the item before repair
      * @param modify Amount to modify the durability by
-     * @param boost True if the modifier is a boost, false if the modifier is a reduction
      */
     protected static void xpHandler(Player player, PlayerProfile profile, short durabilityBefore, short durabilityAfter, double modify) {
         short dif = (short) (durabilityBefore - durabilityAfter);

src/main/java/com/gmail/nossr50/skills/repair/RepairManager.java

@@ -16,7 +16,7 @@ public interface RepairManager {
     /**
      * Register a list of repairables with the RepairManager
      *
-     * @param repairable List<Repairable> to register
+     * @param repairables List<Repairable> to register
      */
     public void registerRepairables(List<Repairable> repairables);