Redundant cast removal.

git-svn-id: svn+ssh://src.earth.threerings.net/vilya/trunk@488 c613c5cb-e716-0410-b11b-feb51c14d237

src/java/com/threerings/whirled/data/SceneModel.java

@@ -57,7 +57,7 @@ public class SceneModel extends SimpleStreamableObject
      */
     public void addAuxModel (AuxModel auxModel)
     {
-        auxModels = (AuxModel[])ArrayUtil.append(auxModels, auxModel);
+        auxModels = ArrayUtil.append(auxModels, auxModel);
     }
 
     // documentation inherited

src/java/com/threerings/whirled/spot/data/SpotSceneModel.java

@@ -51,7 +51,7 @@ public class SpotSceneModel extends SimpleStreamableObject
      */
     public void addPortal (Portal portal)
     {
-        portals = (Portal[])ArrayUtil.append(portals, portal);
+        portals = ArrayUtil.append(portals, portal);
     }
 
     /**
@@ -61,7 +61,7 @@ public class SpotSceneModel extends SimpleStreamableObject
     {
         int pidx = ListUtil.indexOf(portals, portal);
         if (pidx != -1) {
-            portals = (Portal[])ArrayUtil.splice(portals, pidx, 1);
+            portals = ArrayUtil.splice(portals, pidx, 1);
         }
     }