Removed unused reference to streamNumRows on ResultSet

Author: cjbj

lib/resultset.js

@@ -70,10 +70,6 @@ function extend(resultSet) {
         value: getRows,
         enumerable: true,
         writable: true
-      },
-      streamNumRows: {  // Number of rows each getRows() call will make when usign queryStream
-        enumerable: false,
-        writable: true
       }
     }
   );