cleanup: remove unnecessary boxing

src/main/java/client/BuddyList.java

@@ -49,7 +49,7 @@ public class BuddyList {
 
     public boolean contains(int characterId) {
         synchronized(buddies) {
-            return buddies.containsKey(Integer.valueOf(characterId));
+            return buddies.containsKey(characterId);
         }
     }
 
@@ -76,7 +76,7 @@ public class BuddyList {
 
     public BuddylistEntry get(int characterId) {
         synchronized(buddies) {
-            return buddies.get(Integer.valueOf(characterId));
+            return buddies.get(characterId);
         }
     }
 
@@ -93,13 +93,13 @@ public class BuddyList {
 
     public void put(BuddylistEntry entry) {
         synchronized(buddies) {
-            buddies.put(Integer.valueOf(entry.getCharacterId()), entry);
+            buddies.put(entry.getCharacterId(), entry);
         }
     }
 
     public void remove(int characterId) {
         synchronized(buddies) {
-            buddies.remove(Integer.valueOf(characterId));
+            buddies.remove(characterId);
         }
     }