Removed unused imports.

git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8156 75d07b2b-3a1a-0410-a2c5-0572b91ccdca

engine/src/core/com/jme3/post/Filter.java

@@ -46,8 +46,6 @@ import com.jme3.texture.FrameBuffer;
 import com.jme3.texture.Image.Format;
 import com.jme3.texture.Texture2D;
 import java.io.IOException;
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
 import java.util.Collection;
 import java.util.Iterator;
 import java.util.List;
@@ -304,6 +302,8 @@ public abstract class Filter implements Savable {
      * Override this method if you want to make a pass just after the frame has been rendered and just before the filter rendering
      * @param renderManager
      * @param viewPort
+     * @param prevFilterBuffer
+     * @param sceneBuffer
      */
     protected void postFrame(RenderManager renderManager, ViewPort viewPort, FrameBuffer prevFilterBuffer, FrameBuffer sceneBuffer) {
     }