Update sample output (#1893)

* Update sample output

* Update snippets.py

* Update snippets.py

Author: nnegrey

language/cloud-client/v1/snippets.py

@@ -113,10 +113,10 @@ def entities_text():
         print('=' * 20)
         print(u'{:<16}: {}'.format('name', entity.name))
         print(u'{:<16}: {}'.format('type', entity_type.name))
-        print(u'{:<16}: {}'.format('metadata', entity.metadata))
         print(u'{:<16}: {}'.format('salience', entity.salience))
         print(u'{:<16}: {}'.format('wikipedia_url',
               entity.metadata.get('wikipedia_url', '-')))
+        print(u'{:<16}: {}'.format('mid', entity.metadata.get('mid', '-')))
     # [END language_python_migration_entities_text]
     # [END language_entities_text]
 
@@ -145,10 +145,10 @@ def entities_file():
         print('=' * 20)
         print(u'{:<16}: {}'.format('name', entity.name))
         print(u'{:<16}: {}'.format('type', entity_type.name))
-        print(u'{:<16}: {}'.format('metadata', entity.metadata))
         print(u'{:<16}: {}'.format('salience', entity.salience))
         print(u'{:<16}: {}'.format('wikipedia_url',
               entity.metadata.get('wikipedia_url', '-')))
+        print(u'{:<16}: {}'.format('mid', entity.metadata.get('mid', '-')))
     # [END language_entities_gcs]