Remove unused fields

src/main/java/com/omertron/themoviedbapi/model/AlternativeTitle.java

@@ -32,10 +32,6 @@ public class AlternativeTitle implements Serializable {
 
     private static final long serialVersionUID = 1L;
 
-    /*
-     * Logger
-     */
-    private static final Logger LOG = LoggerFactory.getLogger(AlternativeTitle.class);
     /*
      * Properties
      */

src/main/java/com/omertron/themoviedbapi/model/Artwork.java

@@ -32,10 +32,6 @@ public class Artwork extends AbstractJsonMapping {
 
     private static final long serialVersionUID = 1L;
 
-    /*
-     * Logger
-     */
-    private static final Logger LOG = LoggerFactory.getLogger(Artwork.class);
     /*
      * Properties
      */