removed old stuff

lib/Gedmo/Translatable/Mapping/Driver/Annotation.php

@@ -29,11 +29,6 @@ class Annotation implements AnnotationDriverInterface
      */
     const TRANSLATABLE = 'Gedmo\\Mapping\\Annotation\\Translatable';
 
-    /**
-     * Annotation to identify field that does not require fallback
-     */
-    const NOFALLBACK = 'Gedmo\\Mapping\\Annotation\\NoFallback';
-
     /**
      * Annotation to identify field which can store used locale or language
      * alias is LANGUAGE