Cleanup and documentation

src/main/java/edu/jhuapl/tinkerpop/AccumuloGraph.java

@@ -216,14 +216,16 @@ public class AccumuloGraph implements Graph, KeyIndexableGraph, IndexableGraph {
     return getScanner(config.getIndexNamesTableName());
   }
 
+  /**
+   * @deprecated This is used in a unit test that
+   * needs to be updated to work with
+   * {@link VertexIndexTableWrapper}.
+   * @return
+   */
   public Scanner getVertexIndexScanner() {
     return getScanner(config.getVertexKeyIndexTableName());
   }
 
-  private Scanner getEdgeIndexScanner() {
-    return getScanner(config.getEdgeKeyIndexTableName());
-  }
-
   private BatchWriter getVertexIndexWriter() {
     return getWriter(config.getVertexKeyIndexTableName());
   }